Finding the Fourth Proportional to 5,076.72, 7,005.18 and 2,838.48

Step by Step Solution

1. Step 1: Write the proportion equation
   5,076.72 : 7,005.18 = 2,838.48 : x
2. Step 2: Convert to fraction form
   5,076.72/7,005.18 = 2,838.48/x
3. Step 3: Cross multiply
   5,076.72x = 7,005.18 × 2,838.48
4. Step 4: Simplify right side
   5,076.72x = 19,884,063.33
5. Step 5: Solve for x
   x = 19,884,063.33/5,076.72
6. Step 6: Final answer
   x = 3,916.71