Finding the Fourth Proportional to 300,353,016.53, 414,467,068.39 and 166,381,861.05

Step by Step Solution

1. Step 1: Write the proportion equation
   300,353,016.53 : 414,467,068.39 = 166,381,861.05 : x
2. Step 2: Convert to fraction form
   300,353,016.53/414,467,068.39 = 166,381,861.05/x
3. Step 3: Cross multiply
   300,353,016.53x = 414,467,068.39 × 166,381,861.05
4. Step 4: Simplify right side
   300,353,016.53x = 68,959,802,182,249,872
5. Step 5: Solve for x
   x = 68,959,802,182,249,872/300,353,016.53
6. Step 6: Final answer
   x = 229,595,836.85