Finding the Fourth Proportional to 142,025.49, 196,066.20 and 88,327.81

Step by Step Solution

1. Step 1: Write the proportion equation
   142,025.49 : 196,066.20 = 88,327.81 : x
2. Step 2: Convert to fraction form
   142,025.49/196,066.20 = 88,327.81/x
3. Step 3: Cross multiply
   142,025.49x = 196,066.20 × 88,327.81
4. Step 4: Simplify right side
   142,025.49x = 17,318,097,570.86
5. Step 5: Solve for x
   x = 17,318,097,570.86/142,025.49
6. Step 6: Final answer
   x = 121,936.55