Finding the Fourth Proportional to 108,993.73, 163,423.69 and 42,356.04

Step by Step Solution

1. Step 1: Write the proportion equation
   108,993.73 : 163,423.69 = 42,356.04 : x
2. Step 2: Convert to fraction form
   108,993.73/163,423.69 = 42,356.04/x
3. Step 3: Cross multiply
   108,993.73x = 163,423.69 × 42,356.04
4. Step 4: Simplify right side
   108,993.73x = 6,921,980,138.81
5. Step 5: Solve for x
   x = 6,921,980,138.81/108,993.73
6. Step 6: Final answer
   x = 63,508.06