Finding the Fourth Proportional to 89,845.29, 134,714.88 and 39,901.50

Step by Step Solution

1. Step 1: Write the proportion equation
   89,845.29 : 134,714.88 = 39,901.50 : x
2. Step 2: Convert to fraction form
   89,845.29/134,714.88 = 39,901.50/x
3. Step 3: Cross multiply
   89,845.29x = 134,714.88 × 39,901.50
4. Step 4: Simplify right side
   89,845.29x = 5,375,325,784.32
5. Step 5: Solve for x
   x = 5,375,325,784.32/89,845.29
6. Step 6: Final answer
   x = 59,828.69