Finding the Fourth Proportional to 9,435.23, 13,019.57 and 5,658.56

Step by Step Solution

1. Step 1: Write the proportion equation
   9,435.23 : 13,019.57 = 5,658.56 : x
2. Step 2: Convert to fraction form
   9,435.23/13,019.57 = 5,658.56/x
3. Step 3: Cross multiply
   9,435.23x = 13,019.57 × 5,658.56
4. Step 4: Simplify right side
   9,435.23x = 73,671,952.92
5. Step 5: Solve for x
   x = 73,671,952.92/9,435.23
6. Step 6: Final answer
   x = 7,808.18