Finding the Fourth Proportional to 5,007.47, 7,507.16 and 2,087.96

Step by Step Solution

1. Step 1: Write the proportion equation
   5,007.47 : 7,507.16 = 2,087.96 : x
2. Step 2: Convert to fraction form
   5,007.47/7,507.16 = 2,087.96/x
3. Step 3: Cross multiply
   5,007.47x = 7,507.16 × 2,087.96
4. Step 4: Simplify right side
   5,007.47x = 15,674,665.95
5. Step 5: Solve for x
   x = 15,674,665.95/5,007.47
6. Step 6: Final answer
   x = 3,130.26