Finding the Fourth Proportional to 28,064.32, 42,074.12 and 16,204.63

Step by Step Solution

1. Step 1: Write the proportion equation
   28,064.32 : 42,074.12 = 16,204.63 : x
2. Step 2: Convert to fraction form
   28,064.32/42,074.12 = 16,204.63/x
3. Step 3: Cross multiply
   28,064.32x = 42,074.12 × 16,204.63
4. Step 4: Simplify right side
   28,064.32x = 681,795,390.69
5. Step 5: Solve for x
   x = 681,795,390.69/28,064.32
6. Step 6: Final answer
   x = 24,294.03