Finding the Fourth Proportional to 8,005.50, 12,012.57 and 3,901.50

Step by Step Solution

1. Step 1: Write the proportion equation
   8,005.50 : 12,012.57 = 3,901.50 : x
2. Step 2: Convert to fraction form
   8,005.50/12,012.57 = 3,901.50/x
3. Step 3: Cross multiply
   8,005.50x = 12,012.57 × 3,901.50
4. Step 4: Simplify right side
   8,005.50x = 46,867,041.86
5. Step 5: Solve for x
   x = 46,867,041.86/8,005.50
6. Step 6: Final answer
   x = 5,854.36