Finding the Fourth Proportional to 2,503.98, 3,751.82 and 859.62

Step by Step Solution

1. Step 1: Write the proportion equation
   2,503.98 : 3,751.82 = 859.62 : x
2. Step 2: Convert to fraction form
   2,503.98/3,751.82 = 859.62/x
3. Step 3: Cross multiply
   2,503.98x = 3,751.82 × 859.62
4. Step 4: Simplify right side
   2,503.98x = 3,225,139.51
5. Step 5: Solve for x
   x = 3,225,139.51/2,503.98
6. Step 6: Final answer
   x = 1,288.01