Finding the Fourth Proportional to 12,456.15, 18,689.27 and 5,058.69

Step by Step Solution

1. Step 1: Write the proportion equation
   12,456.15 : 18,689.27 = 5,058.69 : x
2. Step 2: Convert to fraction form
   12,456.15/18,689.27 = 5,058.69/x
3. Step 3: Cross multiply
   12,456.15x = 18,689.27 × 5,058.69
4. Step 4: Simplify right side
   12,456.15x = 94,543,197.96
5. Step 5: Solve for x
   x = 94,543,197.96/12,456.15
6. Step 6: Final answer
   x = 7,590.08