Finding the Fourth Proportional to 150,386.09, 207,532.86 and 82,402.52

Step by Step Solution

1. Step 1: Write the proportion equation
   150,386.09 : 207,532.86 = 82,402.52 : x
2. Step 2: Convert to fraction form
   150,386.09/207,532.86 = 82,402.52/x
3. Step 3: Cross multiply
   150,386.09x = 207,532.86 × 82,402.52
4. Step 4: Simplify right side
   150,386.09x = 17,101,229,531.89
5. Step 5: Solve for x
   x = 17,101,229,531.89/150,386.09
6. Step 6: Final answer
   x = 113,715.50