Finding the Fourth Proportional to 1,139.01, 1,709.54 and 1,134.83

Step by Step Solution

1. Step 1: Write the proportion equation
   1,139.01 : 1,709.54 = 1,134.83 : x
2. Step 2: Convert to fraction form
   1,139.01/1,709.54 = 1,134.83/x
3. Step 3: Cross multiply
   1,139.01x = 1,709.54 × 1,134.83
4. Step 4: Simplify right side
   1,139.01x = 1,940,023.06
5. Step 5: Solve for x
   x = 1,940,023.06/1,139.01
6. Step 6: Final answer
   x = 1,703.25