Finding the Fourth Proportional to 90,366.08, 124,705.89 and 50,080.50

Step by Step Solution

1. Step 1: Write the proportion equation
   90,366.08 : 124,705.89 = 50,080.50 : x
2. Step 2: Convert to fraction form
   90,366.08/124,705.89 = 50,080.50/x
3. Step 3: Cross multiply
   90,366.08x = 124,705.89 × 50,080.50
4. Step 4: Simplify right side
   90,366.08x = 6,245,333,324.15
5. Step 5: Solve for x
   x = 6,245,333,324.15/90,366.08
6. Step 6: Final answer
   x = 69,111.48