Finding the Fourth Proportional to 1,552.88, 2,327.52 and 1,280.16

Step by Step Solution

1. Step 1: Write the proportion equation
   1,552.88 : 2,327.52 = 1,280.16 : x
2. Step 2: Convert to fraction form
   1,552.88/2,327.52 = 1,280.16/x
3. Step 3: Cross multiply
   1,552.88x = 2,327.52 × 1,280.16
4. Step 4: Simplify right side
   1,552.88x = 2,979,598.00
5. Step 5: Solve for x
   x = 2,979,598.00/1,552.88
6. Step 6: Final answer
   x = 1,918.76