Finding the Fourth Proportional to 7,008.30, 9,671.54 and 3,864.47

Step by Step Solution

1. Step 1: Write the proportion equation
   7,008.30 : 9,671.54 = 3,864.47 : x
2. Step 2: Convert to fraction form
   7,008.30/9,671.54 = 3,864.47/x
3. Step 3: Cross multiply
   7,008.30x = 9,671.54 × 3,864.47
4. Step 4: Simplify right side
   7,008.30x = 37,375,308.50
5. Step 5: Solve for x
   x = 37,375,308.50/7,008.30
6. Step 6: Final answer
   x = 5,333.01