Finding the Fourth Proportional to 1,567.98, 2,162.16 and 1,043.10

Step by Step Solution

1. Step 1: Write the proportion equation
   1,567.98 : 2,162.16 = 1,043.10 : x
2. Step 2: Convert to fraction form
   1,567.98/2,162.16 = 1,043.10/x
3. Step 3: Cross multiply
   1,567.98x = 2,162.16 × 1,043.10
4. Step 4: Simplify right side
   1,567.98x = 2,255,349.10
5. Step 5: Solve for x
   x = 2,255,349.10/1,567.98
6. Step 6: Final answer
   x = 1,438.38