Finding the Fourth Proportional to 150,085.52, 207,109.32 and 82,088.90

Step by Step Solution

1. Step 1: Write the proportion equation
   150,085.52 : 207,109.32 = 82,088.90 : x
2. Step 2: Convert to fraction form
   150,085.52/207,109.32 = 82,088.90/x
3. Step 3: Cross multiply
   150,085.52x = 207,109.32 × 82,088.90
4. Step 4: Simplify right side
   150,085.52x = 17,001,376,258.55
5. Step 5: Solve for x
   x = 17,001,376,258.55/150,085.52
6. Step 6: Final answer
   x = 113,277.92