Finding the Fourth Proportional to 13,771.27, 19,010.17 and 9,301.08

Step by Step Solution

1. Step 1: Write the proportion equation
   13,771.27 : 19,010.17 = 9,301.08 : x
2. Step 2: Convert to fraction form
   13,771.27/19,010.17 = 9,301.08/x
3. Step 3: Cross multiply
   13,771.27x = 19,010.17 × 9,301.08
4. Step 4: Simplify right side
   13,771.27x = 176,815,123.61
5. Step 5: Solve for x
   x = 176,815,123.61/13,771.27
6. Step 6: Final answer
   x = 12,839.42