Finding the Fourth Proportional to 89,820.16, 123,951.18 and 49,535.56

Step by Step Solution

1. Step 1: Write the proportion equation
   89,820.16 : 123,951.18 = 49,535.56 : x
2. Step 2: Convert to fraction form
   89,820.16/123,951.18 = 49,535.56/x
3. Step 3: Cross multiply
   89,820.16x = 123,951.18 × 49,535.56
4. Step 4: Simplify right side
   89,820.16x = 6,139,991,113.96
5. Step 5: Solve for x
   x = 6,139,991,113.96/89,820.16
6. Step 6: Final answer
   x = 68,358.72