Finding the Fourth Proportional to 13,786.53, 19,025.43 and 7,498.91

Step by Step Solution

1. Step 1: Write the proportion equation
   13,786.53 : 19,025.43 = 7,498.91 : x
2. Step 2: Convert to fraction form
   13,786.53/19,025.43 = 7,498.91/x
3. Step 3: Cross multiply
   13,786.53x = 19,025.43 × 7,498.91
4. Step 4: Simplify right side
   13,786.53x = 142,669,892.15
5. Step 5: Solve for x
   x = 142,669,892.15/13,786.53
6. Step 6: Final answer
   x = 10,348.50