Finding the Fourth Proportional to 1,140.06, 1,709.18 and 592.10

Step by Step Solution

1. Step 1: Write the proportion equation
   1,140.06 : 1,709.18 = 592.10 : x
2. Step 2: Convert to fraction form
   1,140.06/1,709.18 = 592.10/x
3. Step 3: Cross multiply
   1,140.06x = 1,709.18 × 592.10
4. Step 4: Simplify right side
   1,140.06x = 1,012,005.48
5. Step 5: Solve for x
   x = 1,012,005.48/1,140.06
6. Step 6: Final answer
   x = 887.68