Finding the Fourth Proportional to 89,842.50, 134,770.23 and 34,438.50

Step by Step Solution

1. Step 1: Write the proportion equation
   89,842.50 : 134,770.23 = 34,438.50 : x
2. Step 2: Convert to fraction form
   89,842.50/134,770.23 = 34,438.50/x
3. Step 3: Cross multiply
   89,842.50x = 134,770.23 × 34,438.50
4. Step 4: Simplify right side
   89,842.50x = 4,641,284,565.86
5. Step 5: Solve for x
   x = 4,641,284,565.86/89,842.50
6. Step 6: Final answer
   x = 51,660.23