Finding the Fourth Proportional to 1,300,327.70, 1,950,491.55 and 1,281,665.30

Step by Step Solution

1. Step 1: Write the proportion equation
   1,300,327.70 : 1,950,491.55 = 1,281,665.30 : x
2. Step 2: Convert to fraction form
   1,300,327.70/1,950,491.55 = 1,281,665.30/x
3. Step 3: Cross multiply
   1,300,327.70x = 1,950,491.55 × 1,281,665.30
4. Step 4: Simplify right side
   1,300,327.70x = 2,499,877,337,578.22
5. Step 5: Solve for x
   x = 2,499,877,337,578.22/1,300,327.70
6. Step 6: Final answer
   x = 1,922,497.95