Finding the Fourth Proportional to 9,369.74, 12,931.23 and 5,784.48

Step by Step Solution

1. Step 1: Write the proportion equation
   9,369.74 : 12,931.23 = 5,784.48 : x
2. Step 2: Convert to fraction form
   9,369.74/12,931.23 = 5,784.48/x
3. Step 3: Cross multiply
   9,369.74x = 12,931.23 × 5,784.48
4. Step 4: Simplify right side
   9,369.74x = 74,800,441.31
5. Step 5: Solve for x
   x = 74,800,441.31/9,369.74
6. Step 6: Final answer
   x = 7,983.20