Finding the Fourth Proportional to 1,554.10, 2,148.06 and 1,366.18

Step by Step Solution

1. Step 1: Write the proportion equation
   1,554.10 : 2,148.06 = 1,366.18 : x
2. Step 2: Convert to fraction form
   1,554.10/2,148.06 = 1,366.18/x
3. Step 3: Cross multiply
   1,554.10x = 2,148.06 × 1,366.18
4. Step 4: Simplify right side
   1,554.10x = 2,934,636.61
5. Step 5: Solve for x
   x = 2,934,636.61/1,554.10
6. Step 6: Final answer
   x = 1,888.32