Finding the Fourth Proportional to 85,931,646,812.71, 118,591,940,204.12 and 49,812,004,156.04

Step by Step Solution

1. Step 1: Write the proportion equation
   85,931,646,812.71 : 118,591,940,204.12 = 49,812,004,156.04 : x
2. Step 2: Convert to fraction form
   85,931,646,812.71/118,591,940,204.12 = 49,812,004,156.04/x
3. Step 3: Cross multiply
   85,931,646,812.71x = 118,591,940,204.12 × 49,812,004,156.04
4. Step 4: Simplify right side
   85,931,646,812.71x = 5,907,302,218,320,472,702,976
5. Step 5: Solve for x
   x = 5,907,302,218,320,472,702,976/85,931,646,812.71
6. Step 6: Final answer
   x = 68,744,198,876.99