Finding the Fourth Proportional to 89,153.60, 123,030.38 and 52,879.47

Step by Step Solution

1. Step 1: Write the proportion equation
   89,153.60 : 123,030.38 = 52,879.47 : x
2. Step 2: Convert to fraction form
   89,153.60/123,030.38 = 52,879.47/x
3. Step 3: Cross multiply
   89,153.60x = 123,030.38 × 52,879.47
4. Step 4: Simplify right side
   89,153.60x = 6,505,781,288.30
5. Step 5: Solve for x
   x = 6,505,781,288.30/89,153.60
6. Step 6: Final answer
   x = 72,972.73