Finding the Fourth Proportional to 89,423.35, 134,010.27 and 67,210.72

Step by Step Solution

1. Step 1: Write the proportion equation
   89,423.35 : 134,010.27 = 67,210.72 : x
2. Step 2: Convert to fraction form
   89,423.35/134,010.27 = 67,210.72/x
3. Step 3: Cross multiply
   89,423.35x = 134,010.27 × 67,210.72
4. Step 4: Simplify right side
   89,423.35x = 9,006,926,734.09
5. Step 5: Solve for x
   x = 9,006,926,734.09/89,423.35
6. Step 6: Final answer
   x = 100,722.31