Finding the Fourth Proportional to 89,379.96, 123,350.76 and 59,112.96

Step by Step Solution

1. Step 1: Write the proportion equation
   89,379.96 : 123,350.76 = 59,112.96 : x
2. Step 2: Convert to fraction form
   89,379.96/123,350.76 = 59,112.96/x
3. Step 3: Cross multiply
   89,379.96x = 123,350.76 × 59,112.96
4. Step 4: Simplify right side
   89,379.96x = 7,291,628,541.85
5. Step 5: Solve for x
   x = 7,291,628,541.85/89,379.96
6. Step 6: Final answer
   x = 81,580.13