Finding the Fourth Proportional to 1,552, 2,142.84 and 1,086.88

Step by Step Solution

1. Step 1: Write the proportion equation
   1,552 : 2,142.84 = 1,086.88 : x
2. Step 2: Convert to fraction form
   1,552/2,142.84 = 1,086.88/x
3. Step 3: Cross multiply
   1,552x = 2,142.84 × 1,086.88
4. Step 4: Simplify right side
   1,552x = 2,329,009.94
5. Step 5: Solve for x
   x = 2,329,009.94/1,552
6. Step 6: Final answer
   x = 1,500.65