Finding the Fourth Proportional to 3,725.48, 5,139.32 and 2,233.06

Step by Step Solution

1. Step 1: Write the proportion equation
   3,725.48 : 5,139.32 = 2,233.06 : x
2. Step 2: Convert to fraction form
   3,725.48/5,139.32 = 2,233.06/x
3. Step 3: Cross multiply
   3,725.48x = 5,139.32 × 2,233.06
4. Step 4: Simplify right side
   3,725.48x = 11,476,385.91
5. Step 5: Solve for x
   x = 11,476,385.91/3,725.48
6. Step 6: Final answer
   x = 3,080.51