Finding the Fourth Proportional to 1,140.72, 1,710.50 and 592.76

Step by Step Solution

1. Step 1: Write the proportion equation
   1,140.72 : 1,710.50 = 592.76 : x
2. Step 2: Convert to fraction form
   1,140.72/1,710.50 = 592.76/x
3. Step 3: Cross multiply
   1,140.72x = 1,710.50 × 592.76
4. Step 4: Simplify right side
   1,140.72x = 1,013,915.98
5. Step 5: Solve for x
   x = 1,013,915.98/1,140.72
6. Step 6: Final answer
   x = 888.84