Finding the Fourth Proportional to 7,904.80, 10,913.71 and 5,073.40

Step by Step Solution

1. Step 1: Write the proportion equation
   7,904.80 : 10,913.71 = 5,073.40 : x
2. Step 2: Convert to fraction form
   7,904.80/10,913.71 = 5,073.40/x
3. Step 3: Cross multiply
   7,904.80x = 10,913.71 × 5,073.40
4. Step 4: Simplify right side
   7,904.80x = 55,369,616.31
5. Step 5: Solve for x
   x = 55,369,616.31/7,904.80
6. Step 6: Final answer
   x = 7,004.56