Finding the Fourth Proportional to 1,886.55, 2,832.60 and 1,055.24

Step by Step Solution

1. Step 1: Write the proportion equation
   1,886.55 : 2,832.60 = 1,055.24 : x
2. Step 2: Convert to fraction form
   1,886.55/2,832.60 = 1,055.24/x
3. Step 3: Cross multiply
   1,886.55x = 2,832.60 × 1,055.24
4. Step 4: Simplify right side
   1,886.55x = 2,989,061.79
5. Step 5: Solve for x
   x = 2,989,061.79/1,886.55
6. Step 6: Final answer
   x = 1,584.41