Finding the Fourth Proportional to 1,566.24, 2,162.16 and 1,042.80

Step by Step Solution

1. Step 1: Write the proportion equation
   1,566.24 : 2,162.16 = 1,042.80 : x
2. Step 2: Convert to fraction form
   1,566.24/2,162.16 = 1,042.80/x
3. Step 3: Cross multiply
   1,566.24x = 2,162.16 × 1,042.80
4. Step 4: Simplify right side
   1,566.24x = 2,254,700.45
5. Step 5: Solve for x
   x = 2,254,700.45/1,566.24
6. Step 6: Final answer
   x = 1,439.56