Finding the Fourth Proportional to 2,642,981.50, 3,647,005.02 and 1,555,013.80

Step by Step Solution

1. Step 1: Write the proportion equation
   2,642,981.50 : 3,647,005.02 = 1,555,013.80 : x
2. Step 2: Convert to fraction form
   2,642,981.50/3,647,005.02 = 1,555,013.80/x
3. Step 3: Cross multiply
   2,642,981.50x = 3,647,005.02 × 1,555,013.80
4. Step 4: Simplify right side
   2,642,981.50x = 5,671,143,134,769.28
5. Step 5: Solve for x
   x = 5,671,143,134,769.28/2,642,981.50
6. Step 6: Final answer
   x = 2,145,736.98