Finding the Fourth Proportional to 13,784.09, 19,023.98 and 9,968.12

Step by Step Solution

1. Step 1: Write the proportion equation
   13,784.09 : 19,023.98 = 9,968.12 : x
2. Step 2: Convert to fraction form
   13,784.09/19,023.98 = 9,968.12/x
3. Step 3: Cross multiply
   13,784.09x = 19,023.98 × 9,968.12
4. Step 4: Simplify right side
   13,784.09x = 189,633,315.52
5. Step 5: Solve for x
   x = 189,633,315.52/13,784.09
6. Step 6: Final answer
   x = 13,757.41