Finding the Fourth Proportional to 2,500,641.81, 3,449,617.34 and 1,581,321.78

Step by Step Solution

1. Step 1: Write the proportion equation
   2,500,641.81 : 3,449,617.34 = 1,581,321.78 : x
2. Step 2: Convert to fraction form
   2,500,641.81/3,449,617.34 = 1,581,321.78/x
3. Step 3: Cross multiply
   2,500,641.81x = 3,449,617.34 × 1,581,321.78
4. Step 4: Simplify right side
   2,500,641.81x = 5,454,955,024,501.06
5. Step 5: Solve for x
   x = 5,454,955,024,501.06/2,500,641.81
6. Step 6: Final answer
   x = 2,181,421.99