Finding the Fourth Proportional to 11,429.70, 17,137.15 and 4,854.10

Step by Step Solution

1. Step 1: Write the proportion equation
   11,429.70 : 17,137.15 = 4,854.10 : x
2. Step 2: Convert to fraction form
   11,429.70/17,137.15 = 4,854.10/x
3. Step 3: Cross multiply
   11,429.70x = 17,137.15 × 4,854.10
4. Step 4: Simplify right side
   11,429.70x = 83,185,439.82
5. Step 5: Solve for x
   x = 83,185,439.82/11,429.70
6. Step 6: Final answer
   x = 7,278.01