Finding the Fourth Proportional to 2,210,812,158.72, 3,317,365,949.76 and 901,674,658.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,210,812,158.72 : 3,317,365,949.76 = 901,674,658.56 : x
2. Step 2: Convert to fraction form
   2,210,812,158.72/3,317,365,949.76 = 901,674,658.56/x
3. Step 3: Cross multiply
   2,210,812,158.72x = 3,317,365,949.76 × 901,674,658.56
4. Step 4: Simplify right side
   2,210,812,158.72x = 2,991,184,810,068,418,048
5. Step 5: Solve for x
   x = 2,991,184,810,068,418,048/2,210,812,158.72
6. Step 6: Final answer
   x = 1,352,980,079.41