Finding the Fourth Proportional to 13,815.34, 19,065.23 and 7,527.71

Step by Step Solution

1. Step 1: Write the proportion equation
   13,815.34 : 19,065.23 = 7,527.71 : x
2. Step 2: Convert to fraction form
   13,815.34/19,065.23 = 7,527.71/x
3. Step 3: Cross multiply
   13,815.34x = 19,065.23 × 7,527.71
4. Step 4: Simplify right side
   13,815.34x = 143,517,522.52
5. Step 5: Solve for x
   x = 143,517,522.52/13,815.34
6. Step 6: Final answer
   x = 10,388.27