Finding the Fourth Proportional to 89,760.69, 123,864.12 and 49,472.24

Step by Step Solution

1. Step 1: Write the proportion equation
   89,760.69 : 123,864.12 = 49,472.24 : x
2. Step 2: Convert to fraction form
   89,760.69/123,864.12 = 49,472.24/x
3. Step 3: Cross multiply
   89,760.69x = 123,864.12 × 49,472.24
4. Step 4: Simplify right side
   89,760.69x = 6,127,834,852.71
5. Step 5: Solve for x
   x = 6,127,834,852.71/89,760.69
6. Step 6: Final answer
   x = 68,268.58