Finding the Fourth Proportional to 3,428.52, 5,131.83 and 2,443.15

Step by Step Solution

1. Step 1: Write the proportion equation
   3,428.52 : 5,131.83 = 2,443.15 : x
2. Step 2: Convert to fraction form
   3,428.52/5,131.83 = 2,443.15/x
3. Step 3: Cross multiply
   3,428.52x = 5,131.83 × 2,443.15
4. Step 4: Simplify right side
   3,428.52x = 12,537,830.46
5. Step 5: Solve for x
   x = 12,537,830.46/3,428.52
6. Step 6: Final answer
   x = 3,656.92