Finding the Fourth Proportional to 479,162,758.50, 661,244,607.81 and 259,146,184.50

Step by Step Solution

1. Step 1: Write the proportion equation
   479,162,758.50 : 661,244,607.81 = 259,146,184.50 : x
2. Step 2: Convert to fraction form
   479,162,758.50/661,244,607.81 = 259,146,184.50/x
3. Step 3: Cross multiply
   479,162,758.50x = 661,244,607.81 × 259,146,184.50
4. Step 4: Simplify right side
   479,162,758.50x = 171,359,017,135,160,384
5. Step 5: Solve for x
   x = 171,359,017,135,160,384/479,162,758.50
6. Step 6: Final answer
   x = 357,621,735.19