Finding the Fourth Proportional to 2,520.24, 3,779.52 and 1,059.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,520.24 : 3,779.52 = 1,059.12 : x
2. Step 2: Convert to fraction form
   2,520.24/3,779.52 = 1,059.12/x
3. Step 3: Cross multiply
   2,520.24x = 3,779.52 × 1,059.12
4. Step 4: Simplify right side
   2,520.24x = 4,002,965.22
5. Step 5: Solve for x
   x = 4,002,965.22/2,520.24
6. Step 6: Final answer
   x = 1,588.33