Finding the Fourth Proportional to 9,411.42, 14,115.51 and 4,147.50

Step by Step Solution

1. Step 1: Write the proportion equation
   9,411.42 : 14,115.51 = 4,147.50 : x
2. Step 2: Convert to fraction form
   9,411.42/14,115.51 = 4,147.50/x
3. Step 3: Cross multiply
   9,411.42x = 14,115.51 × 4,147.50
4. Step 4: Simplify right side
   9,411.42x = 58,544,077.73
5. Step 5: Solve for x
   x = 58,544,077.73/9,411.42
6. Step 6: Final answer
   x = 6,220.54