Finding the Fourth Proportional to 59,461.57, 89,017.39 and 39,691.09

Step by Step Solution

1. Step 1: Write the proportion equation
   59,461.57 : 89,017.39 = 39,691.09 : x
2. Step 2: Convert to fraction form
   59,461.57/89,017.39 = 39,691.09/x
3. Step 3: Cross multiply
   59,461.57x = 89,017.39 × 39,691.09
4. Step 4: Simplify right side
   59,461.57x = 3,533,197,065.13
5. Step 5: Solve for x
   x = 3,533,197,065.13/59,461.57
6. Step 6: Final answer
   x = 59,419.84