Finding the Fourth Proportional to 42,410.70, 63,640.35 and 16,134.30

Step by Step Solution

1. Step 1: Write the proportion equation
   42,410.70 : 63,640.35 = 16,134.30 : x
2. Step 2: Convert to fraction form
   42,410.70/63,640.35 = 16,134.30/x
3. Step 3: Cross multiply
   42,410.70x = 63,640.35 × 16,134.30
4. Step 4: Simplify right side
   42,410.70x = 1,026,792,499.01
5. Step 5: Solve for x
   x = 1,026,792,499.01/42,410.70
6. Step 6: Final answer
   x = 24,210.69