Finding the Fourth Proportional to 102,482.38, 152,704.76 and 91,303.17

Step by Step Solution

1. Step 1: Write the proportion equation
   102,482.38 : 152,704.76 = 91,303.17 : x
2. Step 2: Convert to fraction form
   102,482.38/152,704.76 = 91,303.17/x
3. Step 3: Cross multiply
   102,482.38x = 152,704.76 × 91,303.17
4. Step 4: Simplify right side
   102,482.38x = 13,942,428,662.09
5. Step 5: Solve for x
   x = 13,942,428,662.09/102,482.38
6. Step 6: Final answer
   x = 136,047.08