Finding the Fourth Proportional to 57,695.63, 79,501.68 and 42,564.29

Step by Step Solution

1. Step 1: Write the proportion equation
   57,695.63 : 79,501.68 = 42,564.29 : x
2. Step 2: Convert to fraction form
   57,695.63/79,501.68 = 42,564.29/x
3. Step 3: Cross multiply
   57,695.63x = 79,501.68 × 42,564.29
4. Step 4: Simplify right side
   57,695.63x = 3,383,932,165.50
5. Step 5: Solve for x
   x = 3,383,932,165.50/57,695.63
6. Step 6: Final answer
   x = 58,651.45