Finding the Fourth Proportional to 90,533.13, 124,935.71 and 50,789.13

Step by Step Solution

1. Step 1: Write the proportion equation
   90,533.13 : 124,935.71 = 50,789.13 : x
2. Step 2: Convert to fraction form
   90,533.13/124,935.71 = 50,789.13/x
3. Step 3: Cross multiply
   90,533.13x = 124,935.71 × 50,789.13
4. Step 4: Simplify right side
   90,533.13x = 6,345,376,016.83
5. Step 5: Solve for x
   x = 6,345,376,016.83/90,533.13
6. Step 6: Final answer
   x = 70,088.99