Finding the Fourth Proportional to 3,730.15, 5,147.72 and 2,051.62

Step by Step Solution

1. Step 1: Write the proportion equation
   3,730.15 : 5,147.72 = 2,051.62 : x
2. Step 2: Convert to fraction form
   3,730.15/5,147.72 = 2,051.62/x
3. Step 3: Cross multiply
   3,730.15x = 5,147.72 × 2,051.62
4. Step 4: Simplify right side
   3,730.15x = 10,561,165.31
5. Step 5: Solve for x
   x = 10,561,165.31/3,730.15
6. Step 6: Final answer
   x = 2,831.30