Finding the Fourth Proportional to 2,023.34, 2,792.00 and 1,139.29

Step by Step Solution

1. Step 1: Write the proportion equation
   2,023.34 : 2,792.00 = 1,139.29 : x
2. Step 2: Convert to fraction form
   2,023.34/2,792.00 = 1,139.29/x
3. Step 3: Cross multiply
   2,023.34x = 2,792.00 × 1,139.29
4. Step 4: Simplify right side
   2,023.34x = 3,180,893.55
5. Step 5: Solve for x
   x = 3,180,893.55/2,023.34
6. Step 6: Final answer
   x = 1,572.10