Finding the Fourth Proportional to 9,784.52, 14,651.72 and 5,397.12

Step by Step Solution

1. Step 1: Write the proportion equation
   9,784.52 : 14,651.72 = 5,397.12 : x
2. Step 2: Convert to fraction form
   9,784.52/14,651.72 = 5,397.12/x
3. Step 3: Cross multiply
   9,784.52x = 14,651.72 × 5,397.12
4. Step 4: Simplify right side
   9,784.52x = 79,077,091.05
5. Step 5: Solve for x
   x = 79,077,091.05/9,784.52
6. Step 6: Final answer
   x = 8,081.86