Finding the Fourth Proportional to 14,048.74, 19,389.98 and 9,019.32

Step by Step Solution

1. Step 1: Write the proportion equation
   14,048.74 : 19,389.98 = 9,019.32 : x
2. Step 2: Convert to fraction form
   14,048.74/19,389.98 = 9,019.32/x
3. Step 3: Cross multiply
   14,048.74x = 19,389.98 × 9,019.32
4. Step 4: Simplify right side
   14,048.74x = 174,884,384.25
5. Step 5: Solve for x
   x = 174,884,384.25/14,048.74
6. Step 6: Final answer
   x = 12,448.40