Finding the Fourth Proportional to 89,863.92, 134,835.12 and 34,498.80

Step by Step Solution

1. Step 1: Write the proportion equation
   89,863.92 : 134,835.12 = 34,498.80 : x
2. Step 2: Convert to fraction form
   89,863.92/134,835.12 = 34,498.80/x
3. Step 3: Cross multiply
   89,863.92x = 134,835.12 × 34,498.80
4. Step 4: Simplify right side
   89,863.92x = 4,651,649,837.86
5. Step 5: Solve for x
   x = 4,651,649,837.86/89,863.92
6. Step 6: Final answer
   x = 51,763.26