Finding the Fourth Proportional to 2,156.64, 3,234.72 and 1,334.24

Step by Step Solution

1. Step 1: Write the proportion equation
   2,156.64 : 3,234.72 = 1,334.24 : x
2. Step 2: Convert to fraction form
   2,156.64/3,234.72 = 1,334.24/x
3. Step 3: Cross multiply
   2,156.64x = 3,234.72 × 1,334.24
4. Step 4: Simplify right side
   2,156.64x = 4,315,892.81
5. Step 5: Solve for x
   x = 4,315,892.81/2,156.64
6. Step 6: Final answer
   x = 2,001.21