Finding the Fourth Proportional to 8,406.52, 12,605.46 and 3,787

Step by Step Solution

1. Step 1: Write the proportion equation
   8,406.52 : 12,605.46 = 3,787 : x
2. Step 2: Convert to fraction form
   8,406.52/12,605.46 = 3,787/x
3. Step 3: Cross multiply
   8,406.52x = 12,605.46 × 3,787
4. Step 4: Simplify right side
   8,406.52x = 47,736,877.02
5. Step 5: Solve for x
   x = 47,736,877.02/8,406.52
6. Step 6: Final answer
   x = 5,678.55