Finding the Fourth Proportional to 3,150.60, 4,345.02 and 2,103.72

Step by Step Solution

1. Step 1: Write the proportion equation
   3,150.60 : 4,345.02 = 2,103.72 : x
2. Step 2: Convert to fraction form
   3,150.60/4,345.02 = 2,103.72/x
3. Step 3: Cross multiply
   3,150.60x = 4,345.02 × 2,103.72
4. Step 4: Simplify right side
   3,150.60x = 9,140,705.47
5. Step 5: Solve for x
   x = 9,140,705.47/3,150.60
6. Step 6: Final answer
   x = 2,901.26