Finding the Fourth Proportional to 2,609,922,063.82, 3,601,692,247.72 and 1,420,499,561.26

Step by Step Solution

1. Step 1: Write the proportion equation
   2,609,922,063.82 : 3,601,692,247.72 = 1,420,499,561.26 : x
2. Step 2: Convert to fraction form
   2,609,922,063.82/3,601,692,247.72 = 1,420,499,561.26/x
3. Step 3: Cross multiply
   2,609,922,063.82x = 3,601,692,247.72 × 1,420,499,561.26
4. Step 4: Simplify right side
   2,609,922,063.82x = 5,116,202,257,679,803,392
5. Step 5: Solve for x
   x = 5,116,202,257,679,803,392/2,609,922,063.82
6. Step 6: Final answer
   x = 1,960,289,285.49