Finding the Fourth Proportional to 5,007.56, 7,510.71 and 2,085.48

Step by Step Solution

1. Step 1: Write the proportion equation
   5,007.56 : 7,510.71 = 2,085.48 : x
2. Step 2: Convert to fraction form
   5,007.56/7,510.71 = 2,085.48/x
3. Step 3: Cross multiply
   5,007.56x = 7,510.71 × 2,085.48
4. Step 4: Simplify right side
   5,007.56x = 15,663,435.49
5. Step 5: Solve for x
   x = 15,663,435.49/5,007.56
6. Step 6: Final answer
   x = 3,127.96