Finding the Fourth Proportional to 108,708.53, 163,111.34 and 42,153.86

Step by Step Solution

1. Step 1: Write the proportion equation
   108,708.53 : 163,111.34 = 42,153.86 : x
2. Step 2: Convert to fraction form
   108,708.53/163,111.34 = 42,153.86/x
3. Step 3: Cross multiply
   108,708.53x = 163,111.34 × 42,153.86
4. Step 4: Simplify right side
   108,708.53x = 6,875,772,787.78
5. Step 5: Solve for x
   x = 6,875,772,787.78/108,708.53
6. Step 6: Final answer
   x = 63,249.62