Finding the Fourth Proportional to 2,509,870.56, 3,765,396.30 and 826,974

Step by Step Solution

1. Step 1: Write the proportion equation
   2,509,870.56 : 3,765,396.30 = 826,974 : x
2. Step 2: Convert to fraction form
   2,509,870.56/3,765,396.30 = 826,974/x
3. Step 3: Cross multiply
   2,509,870.56x = 3,765,396.30 × 826,974
4. Step 4: Simplify right side
   2,509,870.56x = 3,113,884,839,796.20
5. Step 5: Solve for x
   x = 3,113,884,839,796.20/2,509,870.56
6. Step 6: Final answer
   x = 1,240,655.55