Finding the Fourth Proportional to 89,836.29, 134,701.38 and 39,892.50

Step by Step Solution

1. Step 1: Write the proportion equation
   89,836.29 : 134,701.38 = 39,892.50 : x
2. Step 2: Convert to fraction form
   89,836.29/134,701.38 = 39,892.50/x
3. Step 3: Cross multiply
   89,836.29x = 134,701.38 × 39,892.50
4. Step 4: Simplify right side
   89,836.29x = 5,373,574,801.65
5. Step 5: Solve for x
   x = 5,373,574,801.65/89,836.29
6. Step 6: Final answer
   x = 59,815.19