Finding the Fourth Proportional to 2,630,256,947.04, 3,945,352,499.72 and 638,315,504.98

Step by Step Solution

1. Step 1: Write the proportion equation
   2,630,256,947.04 : 3,945,352,499.72 = 638,315,504.98 : x
2. Step 2: Convert to fraction form
   2,630,256,947.04/3,945,352,499.72 = 638,315,504.98/x
3. Step 3: Cross multiply
   2,630,256,947.04x = 3,945,352,499.72 × 638,315,504.98
4. Step 4: Simplify right side
   2,630,256,947.04x = 2,518,379,673,182,877,184
5. Step 5: Solve for x
   x = 2,518,379,673,182,877,184/2,630,256,947.04
6. Step 6: Final answer
   x = 957,465,268.18