Finding the Fourth Proportional to 90,092.37, 124,323.57 and 49,255.72

Step by Step Solution

1. Step 1: Write the proportion equation
   90,092.37 : 124,323.57 = 49,255.72 : x
2. Step 2: Convert to fraction form
   90,092.37/124,323.57 = 49,255.72/x
3. Step 3: Cross multiply
   90,092.37x = 124,323.57 × 49,255.72
4. Step 4: Simplify right side
   90,092.37x = 6,123,646,642.51
5. Step 5: Solve for x
   x = 6,123,646,642.51/90,092.37
6. Step 6: Final answer
   x = 67,970.75