Finding the Fourth Proportional to 1,139.99, 1,710.86 and 592.29

Step by Step Solution

1. Step 1: Write the proportion equation
   1,139.99 : 1,710.86 = 592.29 : x
2. Step 2: Convert to fraction form
   1,139.99/1,710.86 = 592.29/x
3. Step 3: Cross multiply
   1,139.99x = 1,710.86 × 592.29
4. Step 4: Simplify right side
   1,139.99x = 1,013,322.31
5. Step 5: Solve for x
   x = 1,013,322.31/1,139.99
6. Step 6: Final answer
   x = 888.89