Finding the Fourth Proportional to 2,401.92, 3,314.48 and 2,152.40

Step by Step Solution

1. Step 1: Write the proportion equation
   2,401.92 : 3,314.48 = 2,152.40 : x
2. Step 2: Convert to fraction form
   2,401.92/3,314.48 = 2,152.40/x
3. Step 3: Cross multiply
   2,401.92x = 3,314.48 × 2,152.40
4. Step 4: Simplify right side
   2,401.92x = 7,134,086.75
5. Step 5: Solve for x
   x = 7,134,086.75/2,401.92
6. Step 6: Final answer
   x = 2,970.16