Finding the Fourth Proportional to 57,240.39, 85,910.00 and 39,722.52

Step by Step Solution

1. Step 1: Write the proportion equation
   57,240.39 : 85,910.00 = 39,722.52 : x
2. Step 2: Convert to fraction form
   57,240.39/85,910.00 = 39,722.52/x
3. Step 3: Cross multiply
   57,240.39x = 85,910.00 × 39,722.52
4. Step 4: Simplify right side
   57,240.39x = 3,412,561,494.59
5. Step 5: Solve for x
   x = 3,412,561,494.59/57,240.39
6. Step 6: Final answer
   x = 59,618.07