Finding the Fourth Proportional to 2,626.56, 3,931.20 and 2,387.52

Step by Step Solution

1. Step 1: Write the proportion equation
   2,626.56 : 3,931.20 = 2,387.52 : x
2. Step 2: Convert to fraction form
   2,626.56/3,931.20 = 2,387.52/x
3. Step 3: Cross multiply
   2,626.56x = 3,931.20 × 2,387.52
4. Step 4: Simplify right side
   2,626.56x = 9,385,818.62
5. Step 5: Solve for x
   x = 9,385,818.62/2,626.56
6. Step 6: Final answer
   x = 3,573.43