Finding the Fourth Proportional to 3,720.72, 5,134.50 and 2,042.08

Step by Step Solution

1. Step 1: Write the proportion equation
   3,720.72 : 5,134.50 = 2,042.08 : x
2. Step 2: Convert to fraction form
   3,720.72/5,134.50 = 2,042.08/x
3. Step 3: Cross multiply
   3,720.72x = 5,134.50 × 2,042.08
4. Step 4: Simplify right side
   3,720.72x = 10,485,059.76
5. Step 5: Solve for x
   x = 10,485,059.76/3,720.72
6. Step 6: Final answer
   x = 2,818.02