Finding the Fourth Proportional to 9,523.75, 13,142.78 and 5,332.09

Step by Step Solution

1. Step 1: Write the proportion equation
   9,523.75 : 13,142.78 = 5,332.09 : x
2. Step 2: Convert to fraction form
   9,523.75/13,142.78 = 5,332.09/x
3. Step 3: Cross multiply
   9,523.75x = 13,142.78 × 5,332.09
4. Step 4: Simplify right side
   9,523.75x = 70,078,485.81
5. Step 5: Solve for x
   x = 70,078,485.81/9,523.75
6. Step 6: Final answer
   x = 7,358.29