Finding the Fourth Proportional to 42,910.55, 64,357.02 and 16,247.34

Step by Step Solution

1. Step 1: Write the proportion equation
   42,910.55 : 64,357.02 = 16,247.34 : x
2. Step 2: Convert to fraction form
   42,910.55/64,357.02 = 16,247.34/x
3. Step 3: Cross multiply
   42,910.55x = 64,357.02 × 16,247.34
4. Step 4: Simplify right side
   42,910.55x = 1,045,630,446.25
5. Step 5: Solve for x
   x = 1,045,630,446.25/42,910.55
6. Step 6: Final answer
   x = 24,367.68