Finding the Fourth Proportional to 5,620.72, 8,436.30 and 2,849.37

Step by Step Solution

1. Step 1: Write the proportion equation
   5,620.72 : 8,436.30 = 2,849.37 : x
2. Step 2: Convert to fraction form
   5,620.72/8,436.30 = 2,849.37/x
3. Step 3: Cross multiply
   5,620.72x = 8,436.30 × 2,849.37
4. Step 4: Simplify right side
   5,620.72x = 24,038,097.95
5. Step 5: Solve for x
   x = 24,038,097.95/5,620.72
6. Step 6: Final answer
   x = 4,276.70