Finding the Fourth Proportional to 88,291.98, 132,260.42 and 40,840.46

Step by Step Solution

1. Step 1: Write the proportion equation
   88,291.98 : 132,260.42 = 40,840.46 : x
2. Step 2: Convert to fraction form
   88,291.98/132,260.42 = 40,840.46/x
3. Step 3: Cross multiply
   88,291.98x = 132,260.42 × 40,840.46
4. Step 4: Simplify right side
   88,291.98x = 5,401,576,392.59
5. Step 5: Solve for x
   x = 5,401,576,392.59/88,291.98
6. Step 6: Final answer
   x = 61,178.56