Finding the Fourth Proportional to 1,552.02, 2,142.12 and 1,086

Step by Step Solution

1. Step 1: Write the proportion equation
   1,552.02 : 2,142.12 = 1,086 : x
2. Step 2: Convert to fraction form
   1,552.02/2,142.12 = 1,086/x
3. Step 3: Cross multiply
   1,552.02x = 2,142.12 × 1,086
4. Step 4: Simplify right side
   1,552.02x = 2,326,342.32
5. Step 5: Solve for x
   x = 2,326,342.32/1,552.02
6. Step 6: Final answer
   x = 1,498.91