Finding the Fourth Proportional to 88,081.31, 121,543.98 and 49,844.34

Step by Step Solution

1. Step 1: Write the proportion equation
   88,081.31 : 121,543.98 = 49,844.34 : x
2. Step 2: Convert to fraction form
   88,081.31/121,543.98 = 49,844.34/x
3. Step 3: Cross multiply
   88,081.31x = 121,543.98 × 49,844.34
4. Step 4: Simplify right side
   88,081.31x = 6,058,279,464.07
5. Step 5: Solve for x
   x = 6,058,279,464.07/88,081.31
6. Step 6: Final answer
   x = 68,780.54