Finding the Fourth Proportional to 206,478,061.18, 284,945,598.23 and 112,398,275.41

Step by Step Solution

1. Step 1: Write the proportion equation
   206,478,061.18 : 284,945,598.23 = 112,398,275.41 : x
2. Step 2: Convert to fraction form
   206,478,061.18/284,945,598.23 = 112,398,275.41/x
3. Step 3: Cross multiply
   206,478,061.18x = 284,945,598.23 × 112,398,275.41
4. Step 4: Simplify right side
   206,478,061.18x = 32,027,393,827,003,744
5. Step 5: Solve for x
   x = 32,027,393,827,003,744/206,478,061.18
6. Step 6: Final answer
   x = 155,112,817.53