Finding the Fourth Proportional to 2,630,256,945.03, 3,945,352,496.72 and 638,315,502.98

Step by Step Solution

1. Step 1: Write the proportion equation
   2,630,256,945.03 : 3,945,352,496.72 = 638,315,502.98 : x
2. Step 2: Convert to fraction form
   2,630,256,945.03/3,945,352,496.72 = 638,315,502.98/x
3. Step 3: Cross multiply
   2,630,256,945.03x = 3,945,352,496.72 × 638,315,502.98
4. Step 4: Simplify right side
   2,630,256,945.03x = 2,518,379,663,354,307,584
5. Step 5: Solve for x
   x = 2,518,379,663,354,307,584/2,630,256,945.03
6. Step 6: Final answer
   x = 957,465,265.18