Finding the Fourth Proportional to 8,333.72, 12,490.86 and 3,707

Step by Step Solution

1. Step 1: Write the proportion equation
   8,333.72 : 12,490.86 = 3,707 : x
2. Step 2: Convert to fraction form
   8,333.72/12,490.86 = 3,707/x
3. Step 3: Cross multiply
   8,333.72x = 12,490.86 × 3,707
4. Step 4: Simplify right side
   8,333.72x = 46,303,618.02
5. Step 5: Solve for x
   x = 46,303,618.02/8,333.72
6. Step 6: Final answer
   x = 5,556.18