Finding the Fourth Proportional to 21,753,778,399.86, 32,630,659,919.18 and 5,817,700,688.16

Step by Step Solution

1. Step 1: Write the proportion equation
   21,753,778,399.86 : 32,630,659,919.18 = 5,817,700,688.16 : x
2. Step 2: Convert to fraction form
   21,753,778,399.86/32,630,659,919.18 = 5,817,700,688.16/x
3. Step 3: Cross multiply
   21,753,778,399.86x = 32,630,659,919.18 × 5,817,700,688.16
4. Step 4: Simplify right side
   21,753,778,399.86x = 189,835,412,666,928,398,336
5. Step 5: Solve for x
   x = 189,835,412,666,928,398,336/21,753,778,399.86
6. Step 6: Final answer
   x = 8,726,548,978.18