Finding the Fourth Proportional to 3,978.48, 5,966.25 and 1,512.06

Step by Step Solution

1. Step 1: Write the proportion equation
   3,978.48 : 5,966.25 = 1,512.06 : x
2. Step 2: Convert to fraction form
   3,978.48/5,966.25 = 1,512.06/x
3. Step 3: Cross multiply
   3,978.48x = 5,966.25 × 1,512.06
4. Step 4: Simplify right side
   3,978.48x = 9,021,327.98
5. Step 5: Solve for x
   x = 9,021,327.98/3,978.48
6. Step 6: Final answer
   x = 2,267.53