Finding the Fourth Proportional to 90,532.56, 124,949.76 and 50,259.34

Step by Step Solution

1. Step 1: Write the proportion equation
   90,532.56 : 124,949.76 = 50,259.34 : x
2. Step 2: Convert to fraction form
   90,532.56/124,949.76 = 50,259.34/x
3. Step 3: Cross multiply
   90,532.56x = 124,949.76 × 50,259.34
4. Step 4: Simplify right side
   90,532.56x = 6,279,892,159.69
5. Step 5: Solve for x
   x = 6,279,892,159.69/90,532.56
6. Step 6: Final answer
   x = 69,366.12