Finding the Fourth Proportional to 2,672.72, 3,980.88 and 2,534

Step by Step Solution

1. Step 1: Write the proportion equation
   2,672.72 : 3,980.88 = 2,534 : x
2. Step 2: Convert to fraction form
   2,672.72/3,980.88 = 2,534/x
3. Step 3: Cross multiply
   2,672.72x = 3,980.88 × 2,534
4. Step 4: Simplify right side
   2,672.72x = 10,087,549.92
5. Step 5: Solve for x
   x = 10,087,549.92/2,672.72
6. Step 6: Final answer
   x = 3,774.26