Finding the Fourth Proportional to 13,811.27, 19,059.59 and 7,523.51

Step by Step Solution

1. Step 1: Write the proportion equation
   13,811.27 : 19,059.59 = 7,523.51 : x
2. Step 2: Convert to fraction form
   13,811.27/19,059.59 = 7,523.51/x
3. Step 3: Cross multiply
   13,811.27x = 19,059.59 × 7,523.51
4. Step 4: Simplify right side
   13,811.27x = 143,394,978.34
5. Step 5: Solve for x
   x = 143,394,978.34/13,811.27
6. Step 6: Final answer
   x = 10,382.46