Finding the Fourth Proportional to 142,662.06, 196,874.96 and 86,062.50

Step by Step Solution

1. Step 1: Write the proportion equation
   142,662.06 : 196,874.96 = 86,062.50 : x
2. Step 2: Convert to fraction form
   142,662.06/196,874.96 = 86,062.50/x
3. Step 3: Cross multiply
   142,662.06x = 196,874.96 × 86,062.50
4. Step 4: Simplify right side
   142,662.06x = 16,943,550,814.69
5. Step 5: Solve for x
   x = 16,943,550,814.69/142,662.06
6. Step 6: Final answer
   x = 118,767.04