Finding the Fourth Proportional to 9,725.61, 14,585.37 and 4,178.73

Step by Step Solution

1. Step 1: Write the proportion equation
   9,725.61 : 14,585.37 = 4,178.73 : x
2. Step 2: Convert to fraction form
   9,725.61/14,585.37 = 4,178.73/x
3. Step 3: Cross multiply
   9,725.61x = 14,585.37 × 4,178.73
4. Step 4: Simplify right side
   9,725.61x = 60,948,323.18
5. Step 5: Solve for x
   x = 60,948,323.18/9,725.61
6. Step 6: Final answer
   x = 6,266.79