Finding the Fourth Proportional to 90,483.91, 124,862.16 and 50,196.85

Step by Step Solution

1. Step 1: Write the proportion equation
   90,483.91 : 124,862.16 = 50,196.85 : x
2. Step 2: Convert to fraction form
   90,483.91/124,862.16 = 50,196.85/x
3. Step 3: Cross multiply
   90,483.91x = 124,862.16 × 50,196.85
4. Step 4: Simplify right side
   90,483.91x = 6,267,687,116.20
5. Step 5: Solve for x
   x = 6,267,687,116.20/90,483.91
6. Step 6: Final answer
   x = 69,268.53