Finding the Fourth Proportional to 146,971.31, 202,819.56 and 81,559.48

Step by Step Solution

1. Step 1: Write the proportion equation
   146,971.31 : 202,819.56 = 81,559.48 : x
2. Step 2: Convert to fraction form
   146,971.31/202,819.56 = 81,559.48/x
3. Step 3: Cross multiply
   146,971.31x = 202,819.56 × 81,559.48
4. Step 4: Simplify right side
   146,971.31x = 16,541,856,833.33
5. Step 5: Solve for x
   x = 16,541,856,833.33/146,971.31
6. Step 6: Final answer
   x = 112,551.61