Finding the Fourth Proportional to 2,191,478,051.77, 3,287,171,022.89 and 533,394,587.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,191,478,051.77 : 3,287,171,022.89 = 533,394,587.42 : x
2. Step 2: Convert to fraction form
   2,191,478,051.77/3,287,171,022.89 = 533,394,587.42/x
3. Step 3: Cross multiply
   2,191,478,051.77x = 3,287,171,022.89 × 533,394,587.42
4. Step 4: Simplify right side
   2,191,478,051.77x = 1,753,359,231,526,615,040
5. Step 5: Solve for x
   x = 1,753,359,231,526,615,040/2,191,478,051.77
6. Step 6: Final answer
   x = 800,080,671.63