Finding the Fourth Proportional to 2,188,361,777.67, 3,019,963,615.83 and 1,184,801,214.69

Step by Step Solution

1. Step 1: Write the proportion equation
   2,188,361,777.67 : 3,019,963,615.83 = 1,184,801,214.69 : x
2. Step 2: Convert to fraction form
   2,188,361,777.67/3,019,963,615.83 = 1,184,801,214.69/x
3. Step 3: Cross multiply
   2,188,361,777.67x = 3,019,963,615.83 × 1,184,801,214.69
4. Step 4: Simplify right side
   2,188,361,777.67x = 3,578,056,560,354,988,544
5. Step 5: Solve for x
   x = 3,578,056,560,354,988,544/2,188,361,777.67
6. Step 6: Final answer
   x = 1,635,038,866.45