Finding the Fourth Proportional to 109,644.39, 151,312.92 and 67,194.72

Step by Step Solution

1. Step 1: Write the proportion equation
   109,644.39 : 151,312.92 = 67,194.72 : x
2. Step 2: Convert to fraction form
   109,644.39/151,312.92 = 67,194.72/x
3. Step 3: Cross multiply
   109,644.39x = 151,312.92 × 67,194.72
4. Step 4: Simplify right side
   109,644.39x = 10,167,429,291.78
5. Step 5: Solve for x
   x = 10,167,429,291.78/109,644.39
6. Step 6: Final answer
   x = 92,730.96