Finding the Fourth Proportional to 2,581,399.35, 3,871,545.41 and 1,064,688.89

Step by Step Solution

1. Step 1: Write the proportion equation
   2,581,399.35 : 3,871,545.41 = 1,064,688.89 : x
2. Step 2: Convert to fraction form
   2,581,399.35/3,871,545.41 = 1,064,688.89/x
3. Step 3: Cross multiply
   2,581,399.35x = 3,871,545.41 × 1,064,688.89
4. Step 4: Simplify right side
   2,581,399.35x = 4,121,991,360,476.32
5. Step 5: Solve for x
   x = 4,121,991,360,476.32/2,581,399.35
6. Step 6: Final answer
   x = 1,596,804.99