Finding the Fourth Proportional to 13,814.78, 19,064.43 and 7,527.15

Step by Step Solution

1. Step 1: Write the proportion equation
   13,814.78 : 19,064.43 = 7,527.15 : x
2. Step 2: Convert to fraction form
   13,814.78/19,064.43 = 7,527.15/x
3. Step 3: Cross multiply
   13,814.78x = 19,064.43 × 7,527.15
4. Step 4: Simplify right side
   13,814.78x = 143,500,824.27
5. Step 5: Solve for x
   x = 143,500,824.27/13,814.78
6. Step 6: Final answer
   x = 10,387.49