Finding the Fourth Proportional to 142,062.66, 196,036.00 and 81,633.42

Step by Step Solution

1. Step 1: Write the proportion equation
   142,062.66 : 196,036.00 = 81,633.42 : x
2. Step 2: Convert to fraction form
   142,062.66/196,036.00 = 81,633.42/x
3. Step 3: Cross multiply
   142,062.66x = 196,036.00 × 81,633.42
4. Step 4: Simplify right side
   142,062.66x = 16,003,088,919.04
5. Step 5: Solve for x
   x = 16,003,088,919.04/142,062.66
6. Step 6: Final answer
   x = 112,648.10