Finding the Fourth Proportional to 42,469.70, 63,712.20 and 17,496.10

Step by Step Solution

1. Step 1: Write the proportion equation
   42,469.70 : 63,712.20 = 17,496.10 : x
2. Step 2: Convert to fraction form
   42,469.70/63,712.20 = 17,496.10/x
3. Step 3: Cross multiply
   42,469.70x = 63,712.20 × 17,496.10
4. Step 4: Simplify right side
   42,469.70x = 1,114,714,703.86
5. Step 5: Solve for x
   x = 1,114,714,703.86/42,469.70
6. Step 6: Final answer
   x = 26,247.29