Finding the Fourth Proportional to 8,928,957,946.86, 12,321,161,073.27 and 5,170,022,216.10

Step by Step Solution

1. Step 1: Write the proportion equation
   8,928,957,946.86 : 12,321,161,073.27 = 5,170,022,216.10 : x
2. Step 2: Convert to fraction form
   8,928,957,946.86/12,321,161,073.27 = 5,170,022,216.10/x
3. Step 3: Cross multiply
   8,928,957,946.86x = 12,321,161,073.27 × 5,170,022,216.10
4. Step 4: Simplify right side
   8,928,957,946.86x = 63,700,676,476,952,428,544
5. Step 5: Solve for x
   x = 63,700,676,476,952,428,544/8,928,957,946.86
6. Step 6: Final answer
   x = 7,134,166,926.99