Finding the Fourth Proportional to 89,229.34, 123,071.97 and 75,779.29

Step by Step Solution

1. Step 1: Write the proportion equation
   89,229.34 : 123,071.97 = 75,779.29 : x
2. Step 2: Convert to fraction form
   89,229.34/123,071.97 = 75,779.29/x
3. Step 3: Cross multiply
   89,229.34x = 123,071.97 × 75,779.29
4. Step 4: Simplify right side
   89,229.34x = 9,326,306,505.50
5. Step 5: Solve for x
   x = 9,326,306,505.50/89,229.34
6. Step 6: Final answer
   x = 104,520.63