Finding the Fourth Proportional to 9,046.80, 12,484.68 and 5,013.72

Step by Step Solution

1. Step 1: Write the proportion equation
   9,046.80 : 12,484.68 = 5,013.72 : x
2. Step 2: Convert to fraction form
   9,046.80/12,484.68 = 5,013.72/x
3. Step 3: Cross multiply
   9,046.80x = 12,484.68 × 5,013.72
4. Step 4: Simplify right side
   9,046.80x = 62,594,689.81
5. Step 5: Solve for x
   x = 62,594,689.81/9,046.80
6. Step 6: Final answer
   x = 6,918.99