Finding the Fourth Proportional to 1,002.69, 1,505.15 and 592.13

Step by Step Solution

1. Step 1: Write the proportion equation
   1,002.69 : 1,505.15 = 592.13 : x
2. Step 2: Convert to fraction form
   1,002.69/1,505.15 = 592.13/x
3. Step 3: Cross multiply
   1,002.69x = 1,505.15 × 592.13
4. Step 4: Simplify right side
   1,002.69x = 891,233.98
5. Step 5: Solve for x
   x = 891,233.98/1,002.69
6. Step 6: Final answer
   x = 888.84