Finding the Fourth Proportional to 42,809.98, 64,205.22 and 16,158.79

Step by Step Solution

1. Step 1: Write the proportion equation
   42,809.98 : 64,205.22 = 16,158.79 : x
2. Step 2: Convert to fraction form
   42,809.98/64,205.22 = 16,158.79/x
3. Step 3: Cross multiply
   42,809.98x = 64,205.22 × 16,158.79
4. Step 4: Simplify right side
   42,809.98x = 1,037,478,666.88
5. Step 5: Solve for x
   x = 1,037,478,666.88/42,809.98
6. Step 6: Final answer
   x = 24,234.50