Finding the Fourth Proportional to 1,131.03, 1,562.29 and 1,026.20

Step by Step Solution

1. Step 1: Write the proportion equation
   1,131.03 : 1,562.29 = 1,026.20 : x
2. Step 2: Convert to fraction form
   1,131.03/1,562.29 = 1,026.20/x
3. Step 3: Cross multiply
   1,131.03x = 1,562.29 × 1,026.20
4. Step 4: Simplify right side
   1,131.03x = 1,603,223.34
5. Step 5: Solve for x
   x = 1,603,223.34/1,131.03
6. Step 6: Final answer
   x = 1,417.49