Finding the Fourth Proportional to 13,786.56, 19,025.40 and 7,499.04

Step by Step Solution

1. Step 1: Write the proportion equation
   13,786.56 : 19,025.40 = 7,499.04 : x
2. Step 2: Convert to fraction form
   13,786.56/19,025.40 = 7,499.04/x
3. Step 3: Cross multiply
   13,786.56x = 19,025.40 × 7,499.04
4. Step 4: Simplify right side
   13,786.56x = 142,672,235.62
5. Step 5: Solve for x
   x = 142,672,235.62/13,786.56
6. Step 6: Final answer
   x = 10,348.65