Finding the Fourth Proportional to 9,048.08, 12,487.27 and 5,219.86

Step by Step Solution

1. Step 1: Write the proportion equation
   9,048.08 : 12,487.27 = 5,219.86 : x
2. Step 2: Convert to fraction form
   9,048.08/12,487.27 = 5,219.86/x
3. Step 3: Cross multiply
   9,048.08x = 12,487.27 × 5,219.86
4. Step 4: Simplify right side
   9,048.08x = 65,181,801.18
5. Step 5: Solve for x
   x = 65,181,801.18/9,048.08
6. Step 6: Final answer
   x = 7,203.94