Finding the Fourth Proportional to 9,048.56, 12,487.08 and 5,069.72

Step by Step Solution

1. Step 1: Write the proportion equation
   9,048.56 : 12,487.08 = 5,069.72 : x
2. Step 2: Convert to fraction form
   9,048.56/12,487.08 = 5,069.72/x
3. Step 3: Cross multiply
   9,048.56x = 12,487.08 × 5,069.72
4. Step 4: Simplify right side
   9,048.56x = 63,305,999.22
5. Step 5: Solve for x
   x = 63,305,999.22/9,048.56
6. Step 6: Final answer
   x = 6,996.25