Finding the Fourth Proportional to 59,569.12, 89,309.94 and 28,426.24

Step by Step Solution

1. Step 1: Write the proportion equation
   59,569.12 : 89,309.94 = 28,426.24 : x
2. Step 2: Convert to fraction form
   59,569.12/89,309.94 = 28,426.24/x
3. Step 3: Cross multiply
   59,569.12x = 89,309.94 × 28,426.24
4. Step 4: Simplify right side
   59,569.12x = 2,538,745,788.83
5. Step 5: Solve for x
   x = 2,538,745,788.83/59,569.12
6. Step 6: Final answer
   x = 42,618.49