Finding the Fourth Proportional to 2,899.38, 4,343.20 and 2,315.37

Step by Step Solution

1. Step 1: Write the proportion equation
   2,899.38 : 4,343.20 = 2,315.37 : x
2. Step 2: Convert to fraction form
   2,899.38/4,343.20 = 2,315.37/x
3. Step 3: Cross multiply
   2,899.38x = 4,343.20 × 2,315.37
4. Step 4: Simplify right side
   2,899.38x = 10,056,114.98
5. Step 5: Solve for x
   x = 10,056,114.98/2,899.38
6. Step 6: Final answer
   x = 3,468.37