Finding the Fourth Proportional to 2,097,531,249.50, 3,146,448,039.88 and 805,066,737.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,097,531,249.50 : 3,146,448,039.88 = 805,066,737.50 : x
2. Step 2: Convert to fraction form
   2,097,531,249.50/3,146,448,039.88 = 805,066,737.50/x
3. Step 3: Cross multiply
   2,097,531,249.50x = 3,146,448,039.88 × 805,066,737.50
4. Step 4: Simplify right side
   2,097,531,249.50x = 2,533,100,658,179,461,632
5. Step 5: Solve for x
   x = 2,533,100,658,179,461,632/2,097,531,249.50
6. Step 6: Final answer
   x = 1,207,658,126.09