Finding the Fourth Proportional to 9,484.20, 13,091.46 and 5,709.48

Step by Step Solution

1. Step 1: Write the proportion equation
   9,484.20 : 13,091.46 = 5,709.48 : x
2. Step 2: Convert to fraction form
   9,484.20/13,091.46 = 5,709.48/x
3. Step 3: Cross multiply
   9,484.20x = 13,091.46 × 5,709.48
4. Step 4: Simplify right side
   9,484.20x = 74,745,429.04
5. Step 5: Solve for x
   x = 74,745,429.04/9,484.20
6. Step 6: Final answer
   x = 7,881.05