Finding the Fourth Proportional to 3,724.03, 5,139.30 and 2,045.60

Step by Step Solution

1. Step 1: Write the proportion equation
   3,724.03 : 5,139.30 = 2,045.60 : x
2. Step 2: Convert to fraction form
   3,724.03/5,139.30 = 2,045.60/x
3. Step 3: Cross multiply
   3,724.03x = 5,139.30 × 2,045.60
4. Step 4: Simplify right side
   3,724.03x = 10,512,927.37
5. Step 5: Solve for x
   x = 10,512,927.37/3,724.03
6. Step 6: Final answer
   x = 2,822.99