Finding the Fourth Proportional to 2,341.32, 3,230.04 and 2,154.78

Step by Step Solution

1. Step 1: Write the proportion equation
   2,341.32 : 3,230.04 = 2,154.78 : x
2. Step 2: Convert to fraction form
   2,341.32/3,230.04 = 2,154.78/x
3. Step 3: Cross multiply
   2,341.32x = 3,230.04 × 2,154.78
4. Step 4: Simplify right side
   2,341.32x = 6,960,025.59
5. Step 5: Solve for x
   x = 6,960,025.59/2,341.32
6. Step 6: Final answer
   x = 2,972.69