Finding the Fourth Proportional to 142,083, 196,052.22 and 81,641.97

Step by Step Solution

1. Step 1: Write the proportion equation
   142,083 : 196,052.22 = 81,641.97 : x
2. Step 2: Convert to fraction form
   142,083/196,052.22 = 81,641.97/x
3. Step 3: Cross multiply
   142,083x = 196,052.22 × 81,641.97
4. Step 4: Simplify right side
   142,083x = 16,006,089,463.67
5. Step 5: Solve for x
   x = 16,006,089,463.67/142,083
6. Step 6: Final answer
   x = 112,653.09