Finding the Fourth Proportional to 1,139.52, 1,710.29 and 592.08

Step by Step Solution

1. Step 1: Write the proportion equation
   1,139.52 : 1,710.29 = 592.08 : x
2. Step 2: Convert to fraction form
   1,139.52/1,710.29 = 592.08/x
3. Step 3: Cross multiply
   1,139.52x = 1,710.29 × 592.08
4. Step 4: Simplify right side
   1,139.52x = 1,012,628.50
5. Step 5: Solve for x
   x = 1,012,628.50/1,139.52
6. Step 6: Final answer
   x = 888.64