Finding the Fourth Proportional to 89,984.52, 134,801.28 and 58,725

Step by Step Solution

1. Step 1: Write the proportion equation
   89,984.52 : 134,801.28 = 58,725 : x
2. Step 2: Convert to fraction form
   89,984.52/134,801.28 = 58,725/x
3. Step 3: Cross multiply
   89,984.52x = 134,801.28 × 58,725
4. Step 4: Simplify right side
   89,984.52x = 7,916,205,168
5. Step 5: Solve for x
   x = 7,916,205,168/89,984.52
6. Step 6: Final answer
   x = 87,972.97