Finding the Fourth Proportional to 90,139.83, 124,382.03 and 49,848.11

Step by Step Solution

1. Step 1: Write the proportion equation
   90,139.83 : 124,382.03 = 49,848.11 : x
2. Step 2: Convert to fraction form
   90,139.83/124,382.03 = 49,848.11/x
3. Step 3: Cross multiply
   90,139.83x = 124,382.03 × 49,848.11
4. Step 4: Simplify right side
   90,139.83x = 6,200,208,242.31
5. Step 5: Solve for x
   x = 6,200,208,242.31/90,139.83
6. Step 6: Final answer
   x = 68,784.33