Finding the Fourth Proportional to 309,789,567.30, 464,392,211.34 and 154,196,269.35

Step by Step Solution

1. Step 1: Write the proportion equation
   309,789,567.30 : 464,392,211.34 = 154,196,269.35 : x
2. Step 2: Convert to fraction form
   309,789,567.30/464,392,211.34 = 154,196,269.35/x
3. Step 3: Cross multiply
   309,789,567.30x = 464,392,211.34 × 154,196,269.35
4. Step 4: Simplify right side
   309,789,567.30x = 71,607,546,503,824,760
5. Step 5: Solve for x
   x = 71,607,546,503,824,760/309,789,567.30
6. Step 6: Final answer
   x = 231,148,992.94