Finding the Fourth Proportional to 154,662.69, 231,994.15 and 42,343.84

Step by Step Solution

1. Step 1: Write the proportion equation
   154,662.69 : 231,994.15 = 42,343.84 : x
2. Step 2: Convert to fraction form
   154,662.69/231,994.15 = 42,343.84/x
3. Step 3: Cross multiply
   154,662.69x = 231,994.15 × 42,343.84
4. Step 4: Simplify right side
   154,662.69x = 9,823,522,819.28
5. Step 5: Solve for x
   x = 9,823,522,819.28/154,662.69
6. Step 6: Final answer
   x = 63,515.79