Finding the Fourth Proportional to 42,788.82, 64,156.50 and 16,462.20

Step by Step Solution

1. Step 1: Write the proportion equation
   42,788.82 : 64,156.50 = 16,462.20 : x
2. Step 2: Convert to fraction form
   42,788.82/64,156.50 = 16,462.20/x
3. Step 3: Cross multiply
   42,788.82x = 64,156.50 × 16,462.20
4. Step 4: Simplify right side
   42,788.82x = 1,056,157,134.30
5. Step 5: Solve for x
   x = 1,056,157,134.30/42,788.82
6. Step 6: Final answer
   x = 24,683.02