Finding the Fourth Proportional to 8,317.38, 12,476.01 and 3,385.86

Step by Step Solution

1. Step 1: Write the proportion equation
   8,317.38 : 12,476.01 = 3,385.86 : x
2. Step 2: Convert to fraction form
   8,317.38/12,476.01 = 3,385.86/x
3. Step 3: Cross multiply
   8,317.38x = 12,476.01 × 3,385.86
4. Step 4: Simplify right side
   8,317.38x = 42,242,023.22
5. Step 5: Solve for x
   x = 42,242,023.22/8,317.38
6. Step 6: Final answer
   x = 5,078.77