Finding the Fourth Proportional to 90,301.52, 124,618.17 and 49,469.55

Step by Step Solution

1. Step 1: Write the proportion equation
   90,301.52 : 124,618.17 = 49,469.55 : x
2. Step 2: Convert to fraction form
   90,301.52/124,618.17 = 49,469.55/x
3. Step 3: Cross multiply
   90,301.52x = 124,618.17 × 49,469.55
4. Step 4: Simplify right side
   90,301.52x = 6,164,804,791.72
5. Step 5: Solve for x
   x = 6,164,804,791.72/90,301.52
6. Step 6: Final answer
   x = 68,269.12