Finding the Fourth Proportional to 12,434.82, 18,647.37 and 4,641.18

Step by Step Solution

1. Step 1: Write the proportion equation
   12,434.82 : 18,647.37 = 4,641.18 : x
2. Step 2: Convert to fraction form
   12,434.82/18,647.37 = 4,641.18/x
3. Step 3: Cross multiply
   12,434.82x = 18,647.37 × 4,641.18
4. Step 4: Simplify right side
   12,434.82x = 86,545,800.70
5. Step 5: Solve for x
   x = 86,545,800.70/12,434.82
6. Step 6: Final answer
   x = 6,959.96