Finding the Fourth Proportional to 9,056.98, 12,498.63 and 5,078.08

Step by Step Solution

1. Step 1: Write the proportion equation
   9,056.98 : 12,498.63 = 5,078.08 : x
2. Step 2: Convert to fraction form
   9,056.98/12,498.63 = 5,078.08/x
3. Step 3: Cross multiply
   9,056.98x = 12,498.63 × 5,078.08
4. Step 4: Simplify right side
   9,056.98x = 63,469,043.03
5. Step 5: Solve for x
   x = 63,469,043.03/9,056.98
6. Step 6: Final answer
   x = 7,007.75