Finding the Fourth Proportional to 59,643.14, 89,417.77 and 40,865.92

Step by Step Solution

1. Step 1: Write the proportion equation
   59,643.14 : 89,417.77 = 40,865.92 : x
2. Step 2: Convert to fraction form
   59,643.14/89,417.77 = 40,865.92/x
3. Step 3: Cross multiply
   59,643.14x = 89,417.77 × 40,865.92
4. Step 4: Simplify right side
   59,643.14x = 3,654,139,339.56
5. Step 5: Solve for x
   x = 3,654,139,339.56/59,643.14
6. Step 6: Final answer
   x = 61,266.72