Finding the Fourth Proportional to 9,327.04, 12,870.72 and 5,134.48

Step by Step Solution

1. Step 1: Write the proportion equation
   9,327.04 : 12,870.72 = 5,134.48 : x
2. Step 2: Convert to fraction form
   9,327.04/12,870.72 = 5,134.48/x
3. Step 3: Cross multiply
   9,327.04x = 12,870.72 × 5,134.48
4. Step 4: Simplify right side
   9,327.04x = 66,084,454.43
5. Step 5: Solve for x
   x = 66,084,454.43/9,327.04
6. Step 6: Final answer
   x = 7,085.25