Finding the Fourth Proportional to 101,429.92, 151,401.74 and 89,459.38

Step by Step Solution

1. Step 1: Write the proportion equation
   101,429.92 : 151,401.74 = 89,459.38 : x
2. Step 2: Convert to fraction form
   101,429.92/151,401.74 = 89,459.38/x
3. Step 3: Cross multiply
   101,429.92x = 151,401.74 × 89,459.38
4. Step 4: Simplify right side
   101,429.92x = 13,544,305,791.32
5. Step 5: Solve for x
   x = 13,544,305,791.32/101,429.92
6. Step 6: Final answer
   x = 133,533.63