Finding the Fourth Proportional to 5,725,105.70, 8,587,658.55 and 4,787,320.10

Step by Step Solution

1. Step 1: Write the proportion equation
   5,725,105.70 : 8,587,658.55 = 4,787,320.10 : x
2. Step 2: Convert to fraction form
   5,725,105.70/8,587,658.55 = 4,787,320.10/x
3. Step 3: Cross multiply
   5,725,105.70x = 8,587,658.55 × 4,787,320.10
4. Step 4: Simplify right side
   5,725,105.70x = 41,111,870,388,351.85
5. Step 5: Solve for x
   x = 41,111,870,388,351.85/5,725,105.70
6. Step 6: Final answer
   x = 7,180,980.15