Finding the Fourth Proportional to 1,871,064.72, 2,582,067.12 and 1,011,622.92

Step by Step Solution

1. Step 1: Write the proportion equation
   1,871,064.72 : 2,582,067.12 = 1,011,622.92 : x
2. Step 2: Convert to fraction form
   1,871,064.72/2,582,067.12 = 1,011,622.92/x
3. Step 3: Cross multiply
   1,871,064.72x = 2,582,067.12 × 1,011,622.92
4. Step 4: Simplify right side
   1,871,064.72x = 2,612,078,279,570.39
5. Step 5: Solve for x
   x = 2,612,078,279,570.39/1,871,064.72
6. Step 6: Final answer
   x = 1,396,038.44