Finding the Fourth Proportional to 13,833.28, 19,089.89 and 7,545.66

Step by Step Solution

1. Step 1: Write the proportion equation
   13,833.28 : 19,089.89 = 7,545.66 : x
2. Step 2: Convert to fraction form
   13,833.28/19,089.89 = 7,545.66/x
3. Step 3: Cross multiply
   13,833.28x = 19,089.89 × 7,545.66
4. Step 4: Simplify right side
   13,833.28x = 144,045,819.38
5. Step 5: Solve for x
   x = 144,045,819.38/13,833.28
6. Step 6: Final answer
   x = 10,412.99