Finding the Fourth Proportional to 10,811,064,345.27, 16,210,684,831.77 and 8,584,414,978.43

Step by Step Solution

1. Step 1: Write the proportion equation
   10,811,064,345.27 : 16,210,684,831.77 = 8,584,414,978.43 : x
2. Step 2: Convert to fraction form
   10,811,064,345.27/16,210,684,831.77 = 8,584,414,978.43/x
3. Step 3: Cross multiply
   10,811,064,345.27x = 16,210,684,831.77 × 8,584,414,978.43
4. Step 4: Simplify right side
   10,811,064,345.27x = 139,159,245,680,373,350,400
5. Step 5: Solve for x
   x = 139,159,245,680,373,350,400/10,811,064,345.27
6. Step 6: Final answer
   x = 12,871,928,353.78