Finding the Fourth Proportional to 89,045.42, 133,451.82 and 67,908.06

Step by Step Solution

1. Step 1: Write the proportion equation
   89,045.42 : 133,451.82 = 67,908.06 : x
2. Step 2: Convert to fraction form
   89,045.42/133,451.82 = 67,908.06/x
3. Step 3: Cross multiply
   89,045.42x = 133,451.82 × 67,908.06
4. Step 4: Simplify right side
   89,045.42x = 9,062,454,199.67
5. Step 5: Solve for x
   x = 9,062,454,199.67/89,045.42
6. Step 6: Final answer
   x = 101,773.40