Finding the Fourth Proportional to 89,820.99, 123,951.33 and 49,538.48

Step by Step Solution

1. Step 1: Write the proportion equation
   89,820.99 : 123,951.33 = 49,538.48 : x
2. Step 2: Convert to fraction form
   89,820.99/123,951.33 = 49,538.48/x
3. Step 3: Cross multiply
   89,820.99x = 123,951.33 × 49,538.48
4. Step 4: Simplify right side
   89,820.99x = 6,140,359,862.42
5. Step 5: Solve for x
   x = 6,140,359,862.42/89,820.99
6. Step 6: Final answer
   x = 68,362.19