Finding the Fourth Proportional to 7,933.60, 10,939.52 and 5,417.04

Step by Step Solution

1. Step 1: Write the proportion equation
   7,933.60 : 10,939.52 = 5,417.04 : x
2. Step 2: Convert to fraction form
   7,933.60/10,939.52 = 5,417.04/x
3. Step 3: Cross multiply
   7,933.60x = 10,939.52 × 5,417.04
4. Step 4: Simplify right side
   7,933.60x = 59,259,817.42
5. Step 5: Solve for x
   x = 59,259,817.42/7,933.60
6. Step 6: Final answer
   x = 7,469.47