Finding the Fourth Proportional to 2,621,069,365.50, 3,617,051,846.91 and 1,431,638,018.88

Step by Step Solution

1. Step 1: Write the proportion equation
   2,621,069,365.50 : 3,617,051,846.91 = 1,431,638,018.88 : x
2. Step 2: Convert to fraction form
   2,621,069,365.50/3,617,051,846.91 = 1,431,638,018.88/x
3. Step 3: Cross multiply
   2,621,069,365.50x = 3,617,051,846.91 × 1,431,638,018.88
4. Step 4: Simplify right side
   2,621,069,365.50x = 5,178,308,940,296,477,696
5. Step 5: Solve for x
   x = 5,178,308,940,296,477,696/2,621,069,365.50
6. Step 6: Final answer
   x = 1,975,647,424.08