Finding the Fourth Proportional to 150,513.88, 207,718.52 and 83,445.88

Step by Step Solution

1. Step 1: Write the proportion equation
   150,513.88 : 207,718.52 = 83,445.88 : x
2. Step 2: Convert to fraction form
   150,513.88/207,718.52 = 83,445.88/x
3. Step 3: Cross multiply
   150,513.88x = 207,718.52 × 83,445.88
4. Step 4: Simplify right side
   150,513.88x = 17,333,254,693.70
5. Step 5: Solve for x
   x = 17,333,254,693.70/150,513.88
6. Step 6: Final answer
   x = 115,160.51