Finding the Fourth Proportional to 5,111.05, 7,048.86 and 4,115.98

Step by Step Solution

1. Step 1: Write the proportion equation
   5,111.05 : 7,048.86 = 4,115.98 : x
2. Step 2: Convert to fraction form
   5,111.05/7,048.86 = 4,115.98/x
3. Step 3: Cross multiply
   5,111.05x = 7,048.86 × 4,115.98
4. Step 4: Simplify right side
   5,111.05x = 29,012,966.78
5. Step 5: Solve for x
   x = 29,012,966.78/5,111.05
6. Step 6: Final answer
   x = 5,676.52