Finding the Fourth Proportional to 2,642,979.50, 3,647,002.29 and 1,555,011.80

Step by Step Solution

1. Step 1: Write the proportion equation
   2,642,979.50 : 3,647,002.29 = 1,555,011.80 : x
2. Step 2: Convert to fraction form
   2,642,979.50/3,647,002.29 = 1,555,011.80/x
3. Step 3: Cross multiply
   2,642,979.50x = 3,647,002.29 × 1,555,011.80
4. Step 4: Simplify right side
   2,642,979.50x = 5,671,131,595,577.02
5. Step 5: Solve for x
   x = 5,671,131,595,577.02/2,642,979.50
6. Step 6: Final answer
   x = 2,145,734.24