Finding the Fourth Proportional to 13,788.64, 19,028.34 and 7,501

Step by Step Solution

1. Step 1: Write the proportion equation
   13,788.64 : 19,028.34 = 7,501 : x
2. Step 2: Convert to fraction form
   13,788.64/19,028.34 = 7,501/x
3. Step 3: Cross multiply
   13,788.64x = 19,028.34 × 7,501
4. Step 4: Simplify right side
   13,788.64x = 142,731,578.34
5. Step 5: Solve for x
   x = 142,731,578.34/13,788.64
6. Step 6: Final answer
   x = 10,351.39