Finding the Fourth Proportional to 146,055, 201,557.43 and 81,530.31

Step by Step Solution

1. Step 1: Write the proportion equation
   146,055 : 201,557.43 = 81,530.31 : x
2. Step 2: Convert to fraction form
   146,055/201,557.43 = 81,530.31/x
3. Step 3: Cross multiply
   146,055x = 201,557.43 × 81,530.31
4. Step 4: Simplify right side
   146,055x = 16,433,039,750.70
5. Step 5: Solve for x
   x = 16,433,039,750.70/146,055
6. Step 6: Final answer
   x = 112,512.68