Finding the Fourth Proportional to 9,042.46, 12,478.83 and 5,063.58

Step by Step Solution

1. Step 1: Write the proportion equation
   9,042.46 : 12,478.83 = 5,063.58 : x
2. Step 2: Convert to fraction form
   9,042.46/12,478.83 = 5,063.58/x
3. Step 3: Cross multiply
   9,042.46x = 12,478.83 × 5,063.58
4. Step 4: Simplify right side
   9,042.46x = 63,187,554.01
5. Step 5: Solve for x
   x = 63,187,554.01/9,042.46
6. Step 6: Final answer
   x = 6,987.87