Finding the Fourth Proportional to 13,814.48, 19,063.88 and 7,526.72

Step by Step Solution

1. Step 1: Write the proportion equation
   13,814.48 : 19,063.88 = 7,526.72 : x
2. Step 2: Convert to fraction form
   13,814.48/19,063.88 = 7,526.72/x
3. Step 3: Cross multiply
   13,814.48x = 19,063.88 × 7,526.72
4. Step 4: Simplify right side
   13,814.48x = 143,488,486.87
5. Step 5: Solve for x
   x = 143,488,486.87/13,814.48
6. Step 6: Final answer
   x = 10,386.82