Finding the Fourth Proportional to 112,758,490,592.80, 155,610,808,325.52 and 64,595,842,178.72

Step by Step Solution

1. Step 1: Write the proportion equation
   112,758,490,592.80 : 155,610,808,325.52 = 64,595,842,178.72 : x
2. Step 2: Convert to fraction form
   112,758,490,592.80/155,610,808,325.52 = 64,595,842,178.72/x
3. Step 3: Cross multiply
   112,758,490,592.80x = 155,610,808,325.52 × 64,595,842,178.72
4. Step 4: Simplify right side
   112,758,490,592.80x = 10,051,811,215,898,337,869,824
5. Step 5: Solve for x
   x = 10,051,811,215,898,337,869,824/112,758,490,592.80
6. Step 6: Final answer
   x = 89,144,605,989.79