Finding the Fourth Proportional to 5,672.30, 7,822.53 and 3,547.15

Step by Step Solution

1. Step 1: Write the proportion equation
   5,672.30 : 7,822.53 = 3,547.15 : x
2. Step 2: Convert to fraction form
   5,672.30/7,822.53 = 3,547.15/x
3. Step 3: Cross multiply
   5,672.30x = 7,822.53 × 3,547.15
4. Step 4: Simplify right side
   5,672.30x = 27,747,667.73
5. Step 5: Solve for x
   x = 27,747,667.73/5,672.30
6. Step 6: Final answer
   x = 4,891.79