Finding the Fourth Proportional to 3,875.72, 5,347.60 and 2,196.74

Step by Step Solution

1. Step 1: Write the proportion equation
   3,875.72 : 5,347.60 = 2,196.74 : x
2. Step 2: Convert to fraction form
   3,875.72/5,347.60 = 2,196.74/x
3. Step 3: Cross multiply
   3,875.72x = 5,347.60 × 2,196.74
4. Step 4: Simplify right side
   3,875.72x = 11,747,286.82
5. Step 5: Solve for x
   x = 11,747,286.82/3,875.72
6. Step 6: Final answer
   x = 3,030.99