Finding the Fourth Proportional to 1,061.14, 1,590.17 and 753.59

Step by Step Solution

1. Step 1: Write the proportion equation
   1,061.14 : 1,590.17 = 753.59 : x
2. Step 2: Convert to fraction form
   1,061.14/1,590.17 = 753.59/x
3. Step 3: Cross multiply
   1,061.14x = 1,590.17 × 753.59
4. Step 4: Simplify right side
   1,061.14x = 1,198,332.44
5. Step 5: Solve for x
   x = 1,198,332.44/1,061.14
6. Step 6: Final answer
   x = 1,129.29