Finding the Fourth Proportional to 5,585,725,659.65, 7,715,659,404.38 and 4,140,231,849.50

Step by Step Solution

1. Step 1: Write the proportion equation
   5,585,725,659.65 : 7,715,659,404.38 = 4,140,231,849.50 : x
2. Step 2: Convert to fraction form
   5,585,725,659.65/7,715,659,404.38 = 4,140,231,849.50/x
3. Step 3: Cross multiply
   5,585,725,659.65x = 7,715,659,404.38 × 4,140,231,849.50
4. Step 4: Simplify right side
   5,585,725,659.65x = 31,944,618,805,848,993,792
5. Step 5: Solve for x
   x = 31,944,618,805,848,993,792/5,585,725,659.65
6. Step 6: Final answer
   x = 5,718,973,818.68