Finding the Fourth Proportional to 16,222.28, 22,390.35 and 10,547.18

Step by Step Solution

1. Step 1: Write the proportion equation
   16,222.28 : 22,390.35 = 10,547.18 : x
2. Step 2: Convert to fraction form
   16,222.28/22,390.35 = 10,547.18/x
3. Step 3: Cross multiply
   16,222.28x = 22,390.35 × 10,547.18
4. Step 4: Simplify right side
   16,222.28x = 236,155,051.71
5. Step 5: Solve for x
   x = 236,155,051.71/16,222.28
6. Step 6: Final answer
   x = 14,557.45