Finding the Fourth Proportional to 13,786.30, 19,024.54 and 7,498.68

Step by Step Solution

1. Step 1: Write the proportion equation
   13,786.30 : 19,024.54 = 7,498.68 : x
2. Step 2: Convert to fraction form
   13,786.30/19,024.54 = 7,498.68/x
3. Step 3: Cross multiply
   13,786.30x = 19,024.54 × 7,498.68
4. Step 4: Simplify right side
   13,786.30x = 142,658,937.61
5. Step 5: Solve for x
   x = 142,658,937.61/13,786.30
6. Step 6: Final answer
   x = 10,347.88