Finding the Fourth Proportional to 89,978.48, 124,171.24 and 49,693.27

Step by Step Solution

1. Step 1: Write the proportion equation
   89,978.48 : 124,171.24 = 49,693.27 : x
2. Step 2: Convert to fraction form
   89,978.48/124,171.24 = 49,693.27/x
3. Step 3: Cross multiply
   89,978.48x = 124,171.24 × 49,693.27
4. Step 4: Simplify right side
   89,978.48x = 6,170,474,210.47
5. Step 5: Solve for x
   x = 6,170,474,210.47/89,978.48
6. Step 6: Final answer
   x = 68,577.22