Finding the Fourth Proportional to 3,704.83, 5,108.74 and 2,642.72

Step by Step Solution

1. Step 1: Write the proportion equation
   3,704.83 : 5,108.74 = 2,642.72 : x
2. Step 2: Convert to fraction form
   3,704.83/5,108.74 = 2,642.72/x
3. Step 3: Cross multiply
   3,704.83x = 5,108.74 × 2,642.72
4. Step 4: Simplify right side
   3,704.83x = 13,500,937.22
5. Step 5: Solve for x
   x = 13,500,937.22/3,704.83
6. Step 6: Final answer
   x = 3,644.15