Finding the Fourth Proportional to 5,007.30, 7,506.42 and 2,540.82

Step by Step Solution

1. Step 1: Write the proportion equation
   5,007.30 : 7,506.42 = 2,540.82 : x
2. Step 2: Convert to fraction form
   5,007.30/7,506.42 = 2,540.82/x
3. Step 3: Cross multiply
   5,007.30x = 7,506.42 × 2,540.82
4. Step 4: Simplify right side
   5,007.30x = 19,072,462.06
5. Step 5: Solve for x
   x = 19,072,462.06/5,007.30
6. Step 6: Final answer
   x = 3,808.93