Finding the Fourth Proportional to 1,140.69, 1,711.59 and 592.86

Step by Step Solution

1. Step 1: Write the proportion equation
   1,140.69 : 1,711.59 = 592.86 : x
2. Step 2: Convert to fraction form
   1,140.69/1,711.59 = 592.86/x
3. Step 3: Cross multiply
   1,140.69x = 1,711.59 × 592.86
4. Step 4: Simplify right side
   1,140.69x = 1,014,733.25
5. Step 5: Solve for x
   x = 1,014,733.25/1,140.69
6. Step 6: Final answer
   x = 889.58