Finding the Fourth Proportional to 13,815.46, 19,065.26 and 7,527.83

Step by Step Solution

1. Step 1: Write the proportion equation
   13,815.46 : 19,065.26 = 7,527.83 : x
2. Step 2: Convert to fraction form
   13,815.46/19,065.26 = 7,527.83/x
3. Step 3: Cross multiply
   13,815.46x = 19,065.26 × 7,527.83
4. Step 4: Simplify right side
   13,815.46x = 143,519,998.55
5. Step 5: Solve for x
   x = 143,519,998.55/13,815.46
6. Step 6: Final answer
   x = 10,388.37