Finding the Fourth Proportional to 109,161.77, 163,804.01 and 42,606.50

Step by Step Solution

1. Step 1: Write the proportion equation
   109,161.77 : 163,804.01 = 42,606.50 : x
2. Step 2: Convert to fraction form
   109,161.77/163,804.01 = 42,606.50/x
3. Step 3: Cross multiply
   109,161.77x = 163,804.01 × 42,606.50
4. Step 4: Simplify right side
   109,161.77x = 6,979,114,520.01
5. Step 5: Solve for x
   x = 6,979,114,520.01/109,161.77
6. Step 6: Final answer
   x = 63,933.69