Finding the Fourth Proportional to 89,908.24, 124,003.24 and 57,645.94

Step by Step Solution

1. Step 1: Write the proportion equation
   89,908.24 : 124,003.24 = 57,645.94 : x
2. Step 2: Convert to fraction form
   89,908.24/124,003.24 = 57,645.94/x
3. Step 3: Cross multiply
   89,908.24x = 124,003.24 × 57,645.94
4. Step 4: Simplify right side
   89,908.24x = 7,148,283,332.85
5. Step 5: Solve for x
   x = 7,148,283,332.85/89,908.24
6. Step 6: Final answer
   x = 79,506.43