Finding the Fourth Proportional to 215,066.56, 296,783.40 and 119,566.30

Step by Step Solution

1. Step 1: Write the proportion equation
   215,066.56 : 296,783.40 = 119,566.30 : x
2. Step 2: Convert to fraction form
   215,066.56/296,783.40 = 119,566.30/x
3. Step 3: Cross multiply
   215,066.56x = 296,783.40 × 119,566.30
4. Step 4: Simplify right side
   215,066.56x = 35,485,293,039.42
5. Step 5: Solve for x
   x = 35,485,293,039.42/215,066.56
6. Step 6: Final answer
   x = 164,996.79