Finding the Fourth Proportional to 150,388.47, 207,536.14 and 82,404.89

Step by Step Solution

1. Step 1: Write the proportion equation
   150,388.47 : 207,536.14 = 82,404.89 : x
2. Step 2: Convert to fraction form
   150,388.47/207,536.14 = 82,404.89/x
3. Step 3: Cross multiply
   150,388.47x = 207,536.14 × 82,404.89
4. Step 4: Simplify right side
   150,388.47x = 17,101,992,787.72
5. Step 5: Solve for x
   x = 17,101,992,787.72/150,388.47
6. Step 6: Final answer
   x = 113,718.78