Finding the Fourth Proportional to 42,605.83, 58,800.42 and 25,615.61

Step by Step Solution

1. Step 1: Write the proportion equation
   42,605.83 : 58,800.42 = 25,615.61 : x
2. Step 2: Convert to fraction form
   42,605.83/58,800.42 = 25,615.61/x
3. Step 3: Cross multiply
   42,605.83x = 58,800.42 × 25,615.61
4. Step 4: Simplify right side
   42,605.83x = 1,506,208,204.48
5. Step 5: Solve for x
   x = 1,506,208,204.48/42,605.83
6. Step 6: Final answer
   x = 35,352.17