Finding the Fourth Proportional to 16,404, 22,637.52 and 10,120.02

Step by Step Solution

1. Step 1: Write the proportion equation
   16,404 : 22,637.52 = 10,120.02 : x
2. Step 2: Convert to fraction form
   16,404/22,637.52 = 10,120.02/x
3. Step 3: Cross multiply
   16,404x = 22,637.52 × 10,120.02
4. Step 4: Simplify right side
   16,404x = 229,092,155.15
5. Step 5: Solve for x
   x = 229,092,155.15/16,404
6. Step 6: Final answer
   x = 13,965.63