Finding the Fourth Proportional to 109,314.52, 163,601.40 and 67,221.27

Step by Step Solution

1. Step 1: Write the proportion equation
   109,314.52 : 163,601.40 = 67,221.27 : x
2. Step 2: Convert to fraction form
   109,314.52/163,601.40 = 67,221.27/x
3. Step 3: Cross multiply
   109,314.52x = 163,601.40 × 67,221.27
4. Step 4: Simplify right side
   109,314.52x = 10,997,493,881.78
5. Step 5: Solve for x
   x = 10,997,493,881.78/109,314.52
6. Step 6: Final answer
   x = 100,604.15