Finding the Fourth Proportional to 2,233.30, 3,081.98 and 1,238.59

Step by Step Solution

1. Step 1: Write the proportion equation
   2,233.30 : 3,081.98 = 1,238.59 : x
2. Step 2: Convert to fraction form
   2,233.30/3,081.98 = 1,238.59/x
3. Step 3: Cross multiply
   2,233.30x = 3,081.98 × 1,238.59
4. Step 4: Simplify right side
   2,233.30x = 3,817,309.61
5. Step 5: Solve for x
   x = 3,817,309.61/2,233.30
6. Step 6: Final answer
   x = 1,709.27