Finding the Fourth Proportional to 2,140,690,667.21, 3,211,158,710.87 and 566,757,074.39

Step by Step Solution

1. Step 1: Write the proportion equation
   2,140,690,667.21 : 3,211,158,710.87 = 566,757,074.39 : x
2. Step 2: Convert to fraction form
   2,140,690,667.21/3,211,158,710.87 = 566,757,074.39/x
3. Step 3: Cross multiply
   2,140,690,667.21x = 3,211,158,710.87 × 566,757,074.39
4. Step 4: Simplify right side
   2,140,690,667.21x = 1,819,946,916,355,755,264
5. Step 5: Solve for x
   x = 1,819,946,916,355,755,264/2,140,690,667.21
6. Step 6: Final answer
   x = 850,168,099.59