Finding the Fourth Proportional to 154,359.76, 231,300.62 and 107,066.78

Step by Step Solution

1. Step 1: Write the proportion equation
   154,359.76 : 231,300.62 = 107,066.78 : x
2. Step 2: Convert to fraction form
   154,359.76/231,300.62 = 107,066.78/x
3. Step 3: Cross multiply
   154,359.76x = 231,300.62 × 107,066.78
4. Step 4: Simplify right side
   154,359.76x = 24,764,612,595.40
5. Step 5: Solve for x
   x = 24,764,612,595.40/154,359.76
6. Step 6: Final answer
   x = 160,434.38