Finding the Fourth Proportional to 3,724.07, 5,139.34 and 2,045.63

Step by Step Solution

1. Step 1: Write the proportion equation
   3,724.07 : 5,139.34 = 2,045.63 : x
2. Step 2: Convert to fraction form
   3,724.07/5,139.34 = 2,045.63/x
3. Step 3: Cross multiply
   3,724.07x = 5,139.34 × 2,045.63
4. Step 4: Simplify right side
   3,724.07x = 10,513,162.39
5. Step 5: Solve for x
   x = 10,513,162.39/3,724.07
6. Step 6: Final answer
   x = 2,823.03