Finding the Fourth Proportional to 2,457,322.82, 3,687,644.98 and 859,899.75

Step by Step Solution

1. Step 1: Write the proportion equation
   2,457,322.82 : 3,687,644.98 = 859,899.75 : x
2. Step 2: Convert to fraction form
   2,457,322.82/3,687,644.98 = 859,899.75/x
3. Step 3: Cross multiply
   2,457,322.82x = 3,687,644.98 × 859,899.75
4. Step 4: Simplify right side
   2,457,322.82x = 3,171,004,983,636.96
5. Step 5: Solve for x
   x = 3,171,004,983,636.96/2,457,322.82
6. Step 6: Final answer
   x = 1,290,430.77