Finding the Fourth Proportional to 7,150.86, 9,868.32 and 4,006.83

Step by Step Solution

1. Step 1: Write the proportion equation
   7,150.86 : 9,868.32 = 4,006.83 : x
2. Step 2: Convert to fraction form
   7,150.86/9,868.32 = 4,006.83/x
3. Step 3: Cross multiply
   7,150.86x = 9,868.32 × 4,006.83
4. Step 4: Simplify right side
   7,150.86x = 39,540,680.63
5. Step 5: Solve for x
   x = 39,540,680.63/7,150.86
6. Step 6: Final answer
   x = 5,529.50