Finding the Fourth Proportional to 109,056.82, 163,518.25 and 42,419.29

Step by Step Solution

1. Step 1: Write the proportion equation
   109,056.82 : 163,518.25 = 42,419.29 : x
2. Step 2: Convert to fraction form
   109,056.82/163,518.25 = 42,419.29/x
3. Step 3: Cross multiply
   109,056.82x = 163,518.25 × 42,419.29
4. Step 4: Simplify right side
   109,056.82x = 6,936,328,067.04
5. Step 5: Solve for x
   x = 6,936,328,067.04/109,056.82
6. Step 6: Final answer
   x = 63,602.88