Finding the Fourth Proportional to 383,834,233.30, 574,617,609.15 and 254,587,782.10

Step by Step Solution

1. Step 1: Write the proportion equation
   383,834,233.30 : 574,617,609.15 = 254,587,782.10 : x
2. Step 2: Convert to fraction form
   383,834,233.30/574,617,609.15 = 254,587,782.10/x
3. Step 3: Cross multiply
   383,834,233.30x = 574,617,609.15 × 254,587,782.10
4. Step 4: Simplify right side
   383,834,233.30x = 146,290,622,669,103,168
5. Step 5: Solve for x
   x = 146,290,622,669,103,168/383,834,233.30
6. Step 6: Final answer
   x = 381,129,690.83