Finding the Fourth Proportional to 2,037,261,477.42, 3,055,888,401.98 and 638,352,842.31

Step by Step Solution

1. Step 1: Write the proportion equation
   2,037,261,477.42 : 3,055,888,401.98 = 638,352,842.31 : x
2. Step 2: Convert to fraction form
   2,037,261,477.42/3,055,888,401.98 = 638,352,842.31/x
3. Step 3: Cross multiply
   2,037,261,477.42x = 3,055,888,401.98 × 638,352,842.31
4. Step 4: Simplify right side
   2,037,261,477.42x = 1,950,735,047,182,904,832
5. Step 5: Solve for x
   x = 1,950,735,047,182,904,832/2,037,261,477.42
6. Step 6: Final answer
   x = 957,528,068.34