Finding the Fourth Proportional to 83,824.56, 125,658.72 and 57,541.68

Step by Step Solution

1. Step 1: Write the proportion equation
   83,824.56 : 125,658.72 = 57,541.68 : x
2. Step 2: Convert to fraction form
   83,824.56/125,658.72 = 57,541.68/x
3. Step 3: Cross multiply
   83,824.56x = 125,658.72 × 57,541.68
4. Step 4: Simplify right side
   83,824.56x = 7,230,613,855.45
5. Step 5: Solve for x
   x = 7,230,613,855.45/83,824.56
6. Step 6: Final answer
   x = 86,258.89