Finding the Fourth Proportional to 2,075,781,971.89, 2,864,577,253.31 and 1,171,728,240.85

Step by Step Solution

1. Step 1: Write the proportion equation
   2,075,781,971.89 : 2,864,577,253.31 = 1,171,728,240.85 : x
2. Step 2: Convert to fraction form
   2,075,781,971.89/2,864,577,253.31 = 1,171,728,240.85/x
3. Step 3: Cross multiply
   2,075,781,971.89x = 2,864,577,253.31 × 1,171,728,240.85
4. Step 4: Simplify right side
   2,075,781,971.89x = 3,356,506,065,799,851,008
5. Step 5: Solve for x
   x = 3,356,506,065,799,851,008/2,075,781,971.89
6. Step 6: Final answer
   x = 1,616,983,917.99