Finding the Fourth Proportional to 2,233.86, 3,352.84 and 1,139

Step by Step Solution

1. Step 1: Write the proportion equation
   2,233.86 : 3,352.84 = 1,139 : x
2. Step 2: Convert to fraction form
   2,233.86/3,352.84 = 1,139/x
3. Step 3: Cross multiply
   2,233.86x = 3,352.84 × 1,139
4. Step 4: Simplify right side
   2,233.86x = 3,818,884.76
5. Step 5: Solve for x
   x = 3,818,884.76/2,233.86
6. Step 6: Final answer
   x = 1,709.55