Finding the Fourth Proportional to 112,758,490,624.80, 155,610,808,369.76 and 64,595,842,210.72

Step by Step Solution

1. Step 1: Write the proportion equation
   112,758,490,624.80 : 155,610,808,369.76 = 64,595,842,210.72 : x
2. Step 2: Convert to fraction form
   112,758,490,624.80/155,610,808,369.76 = 64,595,842,210.72/x
3. Step 3: Cross multiply
   112,758,490,624.80x = 155,610,808,369.76 × 64,595,842,210.72
4. Step 4: Simplify right side
   112,758,490,624.80x = 10,051,811,223,735,604,609,024
5. Step 5: Solve for x
   x = 10,051,811,223,735,604,609,024/112,758,490,624.80
6. Step 6: Final answer
   x = 89,144,606,033.99