Finding the Fourth Proportional to 9,068.98, 12,513.06 and 5,289.88

Step by Step Solution

1. Step 1: Write the proportion equation
   9,068.98 : 12,513.06 = 5,289.88 : x
2. Step 2: Convert to fraction form
   9,068.98/12,513.06 = 5,289.88/x
3. Step 3: Cross multiply
   9,068.98x = 12,513.06 × 5,289.88
4. Step 4: Simplify right side
   9,068.98x = 66,192,585.83
5. Step 5: Solve for x
   x = 66,192,585.83/9,068.98
6. Step 6: Final answer
   x = 7,298.79