Finding the Fourth Proportional to 13,814.83, 19,064.46 and 7,527.21

Step by Step Solution

1. Step 1: Write the proportion equation
   13,814.83 : 19,064.46 = 7,527.21 : x
2. Step 2: Convert to fraction form
   13,814.83/19,064.46 = 7,527.21/x
3. Step 3: Cross multiply
   13,814.83x = 19,064.46 × 7,527.21
4. Step 4: Simplify right side
   13,814.83x = 143,502,150.69
5. Step 5: Solve for x
   x = 143,502,150.69/13,814.83
6. Step 6: Final answer
   x = 10,387.54