Finding the Fourth Proportional to 90,087.52, 124,323.60 and 49,802.56

Step by Step Solution

1. Step 1: Write the proportion equation
   90,087.52 : 124,323.60 = 49,802.56 : x
2. Step 2: Convert to fraction form
   90,087.52/124,323.60 = 49,802.56/x
3. Step 3: Cross multiply
   90,087.52x = 124,323.60 × 49,802.56
4. Step 4: Simplify right side
   90,087.52x = 6,191,633,548.42
5. Step 5: Solve for x
   x = 6,191,633,548.42/90,087.52
6. Step 6: Final answer
   x = 68,729.09