Finding the Fourth Proportional to 102,114,940.99, 152,375,974.04 and 91,109,476.06

Step by Step Solution

1. Step 1: Write the proportion equation
   102,114,940.99 : 152,375,974.04 = 91,109,476.06 : x
2. Step 2: Convert to fraction form
   102,114,940.99/152,375,974.04 = 91,109,476.06/x
3. Step 3: Cross multiply
   102,114,940.99x = 152,375,974.04 × 91,109,476.06
4. Step 4: Simplify right side
   102,114,940.99x = 13,882,895,158,916,562
5. Step 5: Solve for x
   x = 13,882,895,158,916,562/102,114,940.99
6. Step 6: Final answer
   x = 135,953,612.90