Finding the Fourth Proportional to 9,327.72, 12,870.04 and 5,294.32

Step by Step Solution

1. Step 1: Write the proportion equation
   9,327.72 : 12,870.04 = 5,294.32 : x
2. Step 2: Convert to fraction form
   9,327.72/12,870.04 = 5,294.32/x
3. Step 3: Cross multiply
   9,327.72x = 12,870.04 × 5,294.32
4. Step 4: Simplify right side
   9,327.72x = 68,138,110.17
5. Step 5: Solve for x
   x = 68,138,110.17/9,327.72
6. Step 6: Final answer
   x = 7,304.91