Finding the Fourth Proportional to 146,111.01, 201,631.23 and 81,581.25

Step by Step Solution

1. Step 1: Write the proportion equation
   146,111.01 : 201,631.23 = 81,581.25 : x
2. Step 2: Convert to fraction form
   146,111.01/201,631.23 = 81,581.25/x
3. Step 3: Cross multiply
   146,111.01x = 201,631.23 × 81,581.25
4. Step 4: Simplify right side
   146,111.01x = 16,449,327,782.44
5. Step 5: Solve for x
   x = 16,449,327,782.44/146,111.01
6. Step 6: Final answer
   x = 112,581.03