Finding the Fourth Proportional to 5,076.56, 7,005.17 and 2,838.12

Step by Step Solution

1. Step 1: Write the proportion equation
   5,076.56 : 7,005.17 = 2,838.12 : x
2. Step 2: Convert to fraction form
   5,076.56/7,005.17 = 2,838.12/x
3. Step 3: Cross multiply
   5,076.56x = 7,005.17 × 2,838.12
4. Step 4: Simplify right side
   5,076.56x = 19,881,498.89
5. Step 5: Solve for x
   x = 19,881,498.89/5,076.56
6. Step 6: Final answer
   x = 3,916.34