Finding the Fourth Proportional to 2,752.72, 4,120.88 and 2,654.30

Step by Step Solution

1. Step 1: Write the proportion equation
   2,752.72 : 4,120.88 = 2,654.30 : x
2. Step 2: Convert to fraction form
   2,752.72/4,120.88 = 2,654.30/x
3. Step 3: Cross multiply
   2,752.72x = 4,120.88 × 2,654.30
4. Step 4: Simplify right side
   2,752.72x = 10,938,048.81
5. Step 5: Solve for x
   x = 10,938,048.81/2,752.72
6. Step 6: Final answer
   x = 3,973.55