Finding the Fourth Proportional to 6,066.55, 8,371.69 and 3,970.63

Step by Step Solution

1. Step 1: Write the proportion equation
   6,066.55 : 8,371.69 = 3,970.63 : x
2. Step 2: Convert to fraction form
   6,066.55/8,371.69 = 3,970.63/x
3. Step 3: Cross multiply
   6,066.55x = 8,371.69 × 3,970.63
4. Step 4: Simplify right side
   6,066.55x = 33,240,883.46
5. Step 5: Solve for x
   x = 33,240,883.46/6,066.55
6. Step 6: Final answer
   x = 5,479.37