Finding the Fourth Proportional to 57,597.24, 79,478.46 and 42,498.12

Step by Step Solution

1. Step 1: Write the proportion equation
   57,597.24 : 79,478.46 = 42,498.12 : x
2. Step 2: Convert to fraction form
   57,597.24/79,478.46 = 42,498.12/x
3. Step 3: Cross multiply
   57,597.24x = 79,478.46 × 42,498.12
4. Step 4: Simplify right side
   57,597.24x = 3,377,685,130.50
5. Step 5: Solve for x
   x = 3,377,685,130.50/57,597.24
6. Step 6: Final answer
   x = 58,643.18