Finding the Fourth Proportional to 2,392.40, 3,300.68 and 1,554.16

Step by Step Solution

1. Step 1: Write the proportion equation
   2,392.40 : 3,300.68 = 1,554.16 : x
2. Step 2: Convert to fraction form
   2,392.40/3,300.68 = 1,554.16/x
3. Step 3: Cross multiply
   2,392.40x = 3,300.68 × 1,554.16
4. Step 4: Simplify right side
   2,392.40x = 5,129,784.83
5. Step 5: Solve for x
   x = 5,129,784.83/2,392.40
6. Step 6: Final answer
   x = 2,144.20