Finding the Fourth Proportional to 1,089.52, 1,503.52 and 592.17

Step by Step Solution

1. Step 1: Write the proportion equation
   1,089.52 : 1,503.52 = 592.17 : x
2. Step 2: Convert to fraction form
   1,089.52/1,503.52 = 592.17/x
3. Step 3: Cross multiply
   1,089.52x = 1,503.52 × 592.17
4. Step 4: Simplify right side
   1,089.52x = 890,338.21
5. Step 5: Solve for x
   x = 890,338.21/1,089.52
6. Step 6: Final answer
   x = 817.18