Finding the Fourth Proportional to 3,872,578,640.46, 5,796,843,841.83 and 2,097,540,899.82

Step by Step Solution

1. Step 1: Write the proportion equation
   3,872,578,640.46 : 5,796,843,841.83 = 2,097,540,899.82 : x
2. Step 2: Convert to fraction form
   3,872,578,640.46/5,796,843,841.83 = 2,097,540,899.82/x
3. Step 3: Cross multiply
   3,872,578,640.46x = 5,796,843,841.83 × 2,097,540,899.82
4. Step 4: Simplify right side
   3,872,578,640.46x = 12,159,117,048,108,124,160
5. Step 5: Solve for x
   x = 12,159,117,048,108,124,160/3,872,578,640.46
6. Step 6: Final answer
   x = 3,139,798,614.05