Finding the Fourth Proportional to 9,043.30, 12,479.16 and 5,063.50

Step by Step Solution

1. Step 1: Write the proportion equation
   9,043.30 : 12,479.16 = 5,063.50 : x
2. Step 2: Convert to fraction form
   9,043.30/12,479.16 = 5,063.50/x
3. Step 3: Cross multiply
   9,043.30x = 12,479.16 × 5,063.50
4. Step 4: Simplify right side
   9,043.30x = 63,188,226.66
5. Step 5: Solve for x
   x = 63,188,226.66/9,043.30
6. Step 6: Final answer
   x = 6,987.30