Finding the Fourth Proportional to 2,373.18, 3,554.30 and 1,643.27

Step by Step Solution

1. Step 1: Write the proportion equation
   2,373.18 : 3,554.30 = 1,643.27 : x
2. Step 2: Convert to fraction form
   2,373.18/3,554.30 = 1,643.27/x
3. Step 3: Cross multiply
   2,373.18x = 3,554.30 × 1,643.27
4. Step 4: Simplify right side
   2,373.18x = 5,840,674.56
5. Step 5: Solve for x
   x = 5,840,674.56/2,373.18
6. Step 6: Final answer
   x = 2,461.12