Finding the Fourth Proportional to 28,164.16, 42,255.98 and 16,328.22

Step by Step Solution

1. Step 1: Write the proportion equation
   28,164.16 : 42,255.98 = 16,328.22 : x
2. Step 2: Convert to fraction form
   28,164.16/42,255.98 = 16,328.22/x
3. Step 3: Cross multiply
   28,164.16x = 42,255.98 × 16,328.22
4. Step 4: Simplify right side
   28,164.16x = 689,964,758.89
5. Step 5: Solve for x
   x = 689,964,758.89/28,164.16
6. Step 6: Final answer
   x = 24,497.97