Finding the Fourth Proportional to 2,402.72, 3,587.20 and 2,056.16

Step by Step Solution

1. Step 1: Write the proportion equation
   2,402.72 : 3,587.20 = 2,056.16 : x
2. Step 2: Convert to fraction form
   2,402.72/3,587.20 = 2,056.16/x
3. Step 3: Cross multiply
   2,402.72x = 3,587.20 × 2,056.16
4. Step 4: Simplify right side
   2,402.72x = 7,375,857.15
5. Step 5: Solve for x
   x = 7,375,857.15/2,402.72
6. Step 6: Final answer
   x = 3,069.79