Finding the Fourth Proportional to 90,503.34, 124,901.45 and 50,224.72

Step by Step Solution

1. Step 1: Write the proportion equation
   90,503.34 : 124,901.45 = 50,224.72 : x
2. Step 2: Convert to fraction form
   90,503.34/124,901.45 = 50,224.72/x
3. Step 3: Cross multiply
   90,503.34x = 124,901.45 × 50,224.72
4. Step 4: Simplify right side
   90,503.34x = 6,273,140,167.15
5. Step 5: Solve for x
   x = 6,273,140,167.15/90,503.34
6. Step 6: Final answer
   x = 69,313.91