Finding the Fourth Proportional to 9,047.08, 12,485.89 and 5,218.86

Step by Step Solution

1. Step 1: Write the proportion equation
   9,047.08 : 12,485.89 = 5,218.86 : x
2. Step 2: Convert to fraction form
   9,047.08/12,485.89 = 5,218.86/x
3. Step 3: Cross multiply
   9,047.08x = 12,485.89 × 5,218.86
4. Step 4: Simplify right side
   9,047.08x = 65,162,111.89
5. Step 5: Solve for x
   x = 65,162,111.89/9,047.08
6. Step 6: Final answer
   x = 7,202.56