Finding the Fourth Proportional to 8,359.47, 12,530.37 and 3,091.10

Step by Step Solution

1. Step 1: Write the proportion equation
   8,359.47 : 12,530.37 = 3,091.10 : x
2. Step 2: Convert to fraction form
   8,359.47/12,530.37 = 3,091.10/x
3. Step 3: Cross multiply
   8,359.47x = 12,530.37 × 3,091.10
4. Step 4: Simplify right side
   8,359.47x = 38,732,626.71
5. Step 5: Solve for x
   x = 38,732,626.71/8,359.47
6. Step 6: Final answer
   x = 4,633.38