Finding the Fourth Proportional to 1,567.50, 2,158.29 and 1,401.18

Step by Step Solution

1. Step 1: Write the proportion equation
   1,567.50 : 2,158.29 = 1,401.18 : x
2. Step 2: Convert to fraction form
   1,567.50/2,158.29 = 1,401.18/x
3. Step 3: Cross multiply
   1,567.50x = 2,158.29 × 1,401.18
4. Step 4: Simplify right side
   1,567.50x = 3,024,152.78
5. Step 5: Solve for x
   x = 3,024,152.78/1,567.50
6. Step 6: Final answer
   x = 1,929.28