Finding the Fourth Proportional to 1,130.98, 1,560.72 and 800.14

Step by Step Solution

1. Step 1: Write the proportion equation
   1,130.98 : 1,560.72 = 800.14 : x
2. Step 2: Convert to fraction form
   1,130.98/1,560.72 = 800.14/x
3. Step 3: Cross multiply
   1,130.98x = 1,560.72 × 800.14
4. Step 4: Simplify right side
   1,130.98x = 1,248,794.50
5. Step 5: Solve for x
   x = 1,248,794.50/1,130.98
6. Step 6: Final answer
   x = 1,104.17