Finding the Fourth Proportional to 266,112,061.10, 371,649,892.90 and 266,112,061.10

Step by Step Solution

1. Step 1: Write the proportion equation
   266,112,061.10 : 371,649,892.90 = 266,112,061.10 : x
2. Step 2: Convert to fraction form
   266,112,061.10/371,649,892.90 = 266,112,061.10/x
3. Step 3: Cross multiply
   266,112,061.10x = 371,649,892.90 × 266,112,061.10
4. Step 4: Simplify right side
   266,112,061.10x = 98,900,519,007,213,248
5. Step 5: Solve for x
   x = 98,900,519,007,213,248/266,112,061.10
6. Step 6: Final answer
   x = 371,649,892.90