Finding the Fourth Proportional to 108,758.20, 163,196.74 and 42,200.94

Step by Step Solution

1. Step 1: Write the proportion equation
   108,758.20 : 163,196.74 = 42,200.94 : x
2. Step 2: Convert to fraction form
   108,758.20/163,196.74 = 42,200.94/x
3. Step 3: Cross multiply
   108,758.20x = 163,196.74 × 42,200.94
4. Step 4: Simplify right side
   108,758.20x = 6,887,055,832.94
5. Step 5: Solve for x
   x = 6,887,055,832.94/108,758.20
6. Step 6: Final answer
   x = 63,324.47