Finding the Fourth Proportional to 2,578,462.01, 3,865,289.14 and 871,411.69

Step by Step Solution

1. Step 1: Write the proportion equation
   2,578,462.01 : 3,865,289.14 = 871,411.69 : x
2. Step 2: Convert to fraction form
   2,578,462.01/3,865,289.14 = 871,411.69/x
3. Step 3: Cross multiply
   2,578,462.01x = 3,865,289.14 × 871,411.69
4. Step 4: Simplify right side
   2,578,462.01x = 3,368,258,161,068.89
5. Step 5: Solve for x
   x = 3,368,258,161,068.89/2,578,462.01
6. Step 6: Final answer
   x = 1,306,305.13