Finding the Fourth Proportional to 16,158.40, 22,298.72 and 9,444.48

Step by Step Solution

1. Step 1: Write the proportion equation
   16,158.40 : 22,298.72 = 9,444.48 : x
2. Step 2: Convert to fraction form
   16,158.40/22,298.72 = 9,444.48/x
3. Step 3: Cross multiply
   16,158.40x = 22,298.72 × 9,444.48
4. Step 4: Simplify right side
   16,158.40x = 210,599,815.07
5. Step 5: Solve for x
   x = 210,599,815.07/16,158.40
6. Step 6: Final answer
   x = 13,033.46