Finding the Fourth Proportional to 42,418.10, 63,648.75 and 17,477.30

Step by Step Solution

1. Step 1: Write the proportion equation
   42,418.10 : 63,648.75 = 17,477.30 : x
2. Step 2: Convert to fraction form
   42,418.10/63,648.75 = 17,477.30/x
3. Step 3: Cross multiply
   42,418.10x = 63,648.75 × 17,477.30
4. Step 4: Simplify right side
   42,418.10x = 1,112,408,298.38
5. Step 5: Solve for x
   x = 1,112,408,298.38/42,418.10
6. Step 6: Final answer
   x = 26,224.85