Finding the Fourth Proportional to 89,935.61, 124,111.33 and 49,649.43

Step by Step Solution

1. Step 1: Write the proportion equation
   89,935.61 : 124,111.33 = 49,649.43 : x
2. Step 2: Convert to fraction form
   89,935.61/124,111.33 = 49,649.43/x
3. Step 3: Cross multiply
   89,935.61x = 124,111.33 × 49,649.43
4. Step 4: Simplify right side
   89,935.61x = 6,162,056,791.04
5. Step 5: Solve for x
   x = 6,162,056,791.04/89,935.61
6. Step 6: Final answer
   x = 68,516.32