Finding the Fourth Proportional to 3,978.02, 5,966.58 and 1,016.45

Step by Step Solution

1. Step 1: Write the proportion equation
   3,978.02 : 5,966.58 = 1,016.45 : x
2. Step 2: Convert to fraction form
   3,978.02/5,966.58 = 1,016.45/x
3. Step 3: Cross multiply
   3,978.02x = 5,966.58 × 1,016.45
4. Step 4: Simplify right side
   3,978.02x = 6,064,730.24
5. Step 5: Solve for x
   x = 6,064,730.24/3,978.02
6. Step 6: Final answer
   x = 1,524.56