Finding the Fourth Proportional to 9,411.32, 14,121.58 and 3,866.34

Step by Step Solution

1. Step 1: Write the proportion equation
   9,411.32 : 14,121.58 = 3,866.34 : x
2. Step 2: Convert to fraction form
   9,411.32/14,121.58 = 3,866.34/x
3. Step 3: Cross multiply
   9,411.32x = 14,121.58 × 3,866.34
4. Step 4: Simplify right side
   9,411.32x = 54,598,829.62
5. Step 5: Solve for x
   x = 54,598,829.62/9,411.32
6. Step 6: Final answer
   x = 5,801.40