Finding the Fourth Proportional to 2,621,591,615.52, 3,617,849,760.96 and 1,432,237,618.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,621,591,615.52 : 3,617,849,760.96 = 1,432,237,618.56 : x
2. Step 2: Convert to fraction form
   2,621,591,615.52/3,617,849,760.96 = 1,432,237,618.56/x
3. Step 3: Cross multiply
   2,621,591,615.52x = 3,617,849,760.96 × 1,432,237,618.56
4. Step 4: Simplify right side
   2,621,591,615.52x = 5,181,620,525,945,216,000
5. Step 5: Solve for x
   x = 5,181,620,525,945,216,000/2,621,591,615.52
6. Step 6: Final answer
   x = 1,976,517,049.90