Finding the Fourth Proportional to 28,165.42, 38,877.98 and 16,233.52

Step by Step Solution

1. Step 1: Write the proportion equation
   28,165.42 : 38,877.98 = 16,233.52 : x
2. Step 2: Convert to fraction form
   28,165.42/38,877.98 = 16,233.52/x
3. Step 3: Cross multiply
   28,165.42x = 38,877.98 × 16,233.52
4. Step 4: Simplify right side
   28,165.42x = 631,126,465.89
5. Step 5: Solve for x
   x = 631,126,465.89/28,165.42
6. Step 6: Final answer
   x = 22,407.85