Finding the Fourth Proportional to 109,017.01, 163,493.92 and 42,442.30

Step by Step Solution

1. Step 1: Write the proportion equation
   109,017.01 : 163,493.92 = 42,442.30 : x
2. Step 2: Convert to fraction form
   109,017.01/163,493.92 = 42,442.30/x
3. Step 3: Cross multiply
   109,017.01x = 163,493.92 × 42,442.30
4. Step 4: Simplify right side
   109,017.01x = 6,939,058,000.82
5. Step 5: Solve for x
   x = 6,939,058,000.82/109,017.01
6. Step 6: Final answer
   x = 63,651.15