Finding the Fourth Proportional to 3,875.24, 5,347.91 and 2,196.61

Step by Step Solution

1. Step 1: Write the proportion equation
   3,875.24 : 5,347.91 = 2,196.61 : x
2. Step 2: Convert to fraction form
   3,875.24/5,347.91 = 2,196.61/x
3. Step 3: Cross multiply
   3,875.24x = 5,347.91 × 2,196.61
4. Step 4: Simplify right side
   3,875.24x = 11,747,272.59
5. Step 5: Solve for x
   x = 11,747,272.59/3,875.24
6. Step 6: Final answer
   x = 3,031.37