Finding the Fourth Proportional to 89,426.86, 134,015.52 and 67,214.22

Step by Step Solution

1. Step 1: Write the proportion equation
   89,426.86 : 134,015.52 = 67,214.22 : x
2. Step 2: Convert to fraction form
   89,426.86/134,015.52 = 67,214.22/x
3. Step 3: Cross multiply
   89,426.86x = 134,015.52 × 67,214.22
4. Step 4: Simplify right side
   89,426.86x = 9,007,748,644.69
5. Step 5: Solve for x
   x = 9,007,748,644.69/89,426.86
6. Step 6: Final answer
   x = 100,727.55