Finding the Fourth Proportional to 2,448.16, 3,671.56 and 1,061.20

Step by Step Solution

1. Step 1: Write the proportion equation
   2,448.16 : 3,671.56 = 1,061.20 : x
2. Step 2: Convert to fraction form
   2,448.16/3,671.56 = 1,061.20/x
3. Step 3: Cross multiply
   2,448.16x = 3,671.56 × 1,061.20
4. Step 4: Simplify right side
   2,448.16x = 3,896,259.47
5. Step 5: Solve for x
   x = 3,896,259.47/2,448.16
6. Step 6: Final answer
   x = 1,591.51