Finding the Fourth Proportional to 89,818.06, 123,947.20 and 49,535.55

Step by Step Solution

1. Step 1: Write the proportion equation
   89,818.06 : 123,947.20 = 49,535.55 : x
2. Step 2: Convert to fraction form
   89,818.06/123,947.20 = 49,535.55/x
3. Step 3: Cross multiply
   89,818.06x = 123,947.20 × 49,535.55
4. Step 4: Simplify right side
   89,818.06x = 6,139,791,979.39
5. Step 5: Solve for x
   x = 6,139,791,979.39/89,818.06
6. Step 6: Final answer
   x = 68,358.10