Finding the Fourth Proportional to 13,223.28, 19,834.71 and 5,325.61

Step by Step Solution

1. Step 1: Write the proportion equation
   13,223.28 : 19,834.71 = 5,325.61 : x
2. Step 2: Convert to fraction form
   13,223.28/19,834.71 = 5,325.61/x
3. Step 3: Cross multiply
   13,223.28x = 19,834.71 × 5,325.61
4. Step 4: Simplify right side
   13,223.28x = 105,631,964.77
5. Step 5: Solve for x
   x = 105,631,964.77/13,223.28
6. Step 6: Final answer
   x = 7,988.33