Finding the Fourth Proportional to 3,087,142.20, 4,258,899.18 and 1,862,764.83

Step by Step Solution

1. Step 1: Write the proportion equation
   3,087,142.20 : 4,258,899.18 = 1,862,764.83 : x
2. Step 2: Convert to fraction form
   3,087,142.20/4,258,899.18 = 1,862,764.83/x
3. Step 3: Cross multiply
   3,087,142.20x = 4,258,899.18 × 1,862,764.83
4. Step 4: Simplify right side
   3,087,142.20x = 7,933,327,607,019.84
5. Step 5: Solve for x
   x = 7,933,327,607,019.84/3,087,142.20
6. Step 6: Final answer
   x = 2,569,796.63