Finding the Fourth Proportional to 89,638.92, 134,519.54 and 58,063.50

Step by Step Solution

1. Step 1: Write the proportion equation
   89,638.92 : 134,519.54 = 58,063.50 : x
2. Step 2: Convert to fraction form
   89,638.92/134,519.54 = 58,063.50/x
3. Step 3: Cross multiply
   89,638.92x = 134,519.54 × 58,063.50
4. Step 4: Simplify right side
   89,638.92x = 7,810,675,020.47
5. Step 5: Solve for x
   x = 7,810,675,020.47/89,638.92
6. Step 6: Final answer
   x = 87,134.86