Finding the Fourth Proportional to 150,388.71, 207,527.48 and 82,392.15

Step by Step Solution

1. Step 1: Write the proportion equation
   150,388.71 : 207,527.48 = 82,392.15 : x
2. Step 2: Convert to fraction form
   150,388.71/207,527.48 = 82,392.15/x
3. Step 3: Cross multiply
   150,388.71x = 207,527.48 × 82,392.15
4. Step 4: Simplify right side
   150,388.71x = 17,098,634,849.32
5. Step 5: Solve for x
   x = 17,098,634,849.32/150,388.71
6. Step 6: Final answer
   x = 113,696.27