Finding the Fourth Proportional to 2,351.16, 3,243.71 and 1,554.86

Step by Step Solution

1. Step 1: Write the proportion equation
   2,351.16 : 3,243.71 = 1,554.86 : x
2. Step 2: Convert to fraction form
   2,351.16/3,243.71 = 1,554.86/x
3. Step 3: Cross multiply
   2,351.16x = 3,243.71 × 1,554.86
4. Step 4: Simplify right side
   2,351.16x = 5,043,490.94
5. Step 5: Solve for x
   x = 5,043,490.94/2,351.16
6. Step 6: Final answer
   x = 2,145.11