Finding the Fourth Proportional to 205,861,162.31, 284,093,339.72 and 111,779,274.62

Step by Step Solution

1. Step 1: Write the proportion equation
   205,861,162.31 : 284,093,339.72 = 111,779,274.62 : x
2. Step 2: Convert to fraction form
   205,861,162.31/284,093,339.72 = 111,779,274.62/x
3. Step 3: Cross multiply
   205,861,162.31x = 284,093,339.72 × 111,779,274.62
4. Step 4: Simplify right side
   205,861,162.31x = 31,755,747,436,295,468
5. Step 5: Solve for x
   x = 31,755,747,436,295,468/205,861,162.31
6. Step 6: Final answer
   x = 154,258,078.99