Finding the Fourth Proportional to 9,046.38, 12,473.96 and 5,685.15

Step by Step Solution

1. Step 1: Write the proportion equation
   9,046.38 : 12,473.96 = 5,685.15 : x
2. Step 2: Convert to fraction form
   9,046.38/12,473.96 = 5,685.15/x
3. Step 3: Cross multiply
   9,046.38x = 12,473.96 × 5,685.15
4. Step 4: Simplify right side
   9,046.38x = 70,916,305.27
5. Step 5: Solve for x
   x = 70,916,305.27/9,046.38
6. Step 6: Final answer
   x = 7,839.19