Finding the Fourth Proportional to 102,114,940.24, 152,375,972.93 and 91,109,475.31

Step by Step Solution

1. Step 1: Write the proportion equation
   102,114,940.24 : 152,375,972.93 = 91,109,475.31 : x
2. Step 2: Convert to fraction form
   102,114,940.24/152,375,972.93 = 91,109,475.31/x
3. Step 3: Cross multiply
   102,114,940.24x = 152,375,972.93 × 91,109,475.31
4. Step 4: Simplify right side
   102,114,940.24x = 13,882,894,943,503,064
5. Step 5: Solve for x
   x = 13,882,894,943,503,064/102,114,940.24
6. Step 6: Final answer
   x = 135,953,611.79