Finding the Fourth Proportional to 59,708.84, 89,427.10 and 28,566.12

Step by Step Solution

1. Step 1: Write the proportion equation
   59,708.84 : 89,427.10 = 28,566.12 : x
2. Step 2: Convert to fraction form
   59,708.84/89,427.10 = 28,566.12/x
3. Step 3: Cross multiply
   59,708.84x = 89,427.10 × 28,566.12
4. Step 4: Simplify right side
   59,708.84x = 2,554,585,269.85
5. Step 5: Solve for x
   x = 2,554,585,269.85/59,708.84
6. Step 6: Final answer
   x = 42,784.04