Finding the Fourth Proportional to 3,730.78, 5,148.50 and 2,052.12

Step by Step Solution

1. Step 1: Write the proportion equation
   3,730.78 : 5,148.50 = 2,052.12 : x
2. Step 2: Convert to fraction form
   3,730.78/5,148.50 = 2,052.12/x
3. Step 3: Cross multiply
   3,730.78x = 5,148.50 × 2,052.12
4. Step 4: Simplify right side
   3,730.78x = 10,565,339.82
5. Step 5: Solve for x
   x = 10,565,339.82/3,730.78
6. Step 6: Final answer
   x = 2,831.94