Finding the Fourth Proportional to 8,317.02, 12,473.40 and 2,472.30

Step by Step Solution

1. Step 1: Write the proportion equation
   8,317.02 : 12,473.40 = 2,472.30 : x
2. Step 2: Convert to fraction form
   8,317.02/12,473.40 = 2,472.30/x
3. Step 3: Cross multiply
   8,317.02x = 12,473.40 × 2,472.30
4. Step 4: Simplify right side
   8,317.02x = 30,837,986.82
5. Step 5: Solve for x
   x = 30,837,986.82/8,317.02
6. Step 6: Final answer
   x = 3,707.82