Finding the Fourth Proportional to 13,788.72, 19,028.28 and 7,501.10

Step by Step Solution

1. Step 1: Write the proportion equation
   13,788.72 : 19,028.28 = 7,501.10 : x
2. Step 2: Convert to fraction form
   13,788.72/19,028.28 = 7,501.10/x
3. Step 3: Cross multiply
   13,788.72x = 19,028.28 × 7,501.10
4. Step 4: Simplify right side
   13,788.72x = 142,733,031.11
5. Step 5: Solve for x
   x = 142,733,031.11/13,788.72
6. Step 6: Final answer
   x = 10,351.43