Finding the Fourth Proportional to 5,098.82, 7,036.40 and 2,860.72

Step by Step Solution

1. Step 1: Write the proportion equation
   5,098.82 : 7,036.40 = 2,860.72 : x
2. Step 2: Convert to fraction form
   5,098.82/7,036.40 = 2,860.72/x
3. Step 3: Cross multiply
   5,098.82x = 7,036.40 × 2,860.72
4. Step 4: Simplify right side
   5,098.82x = 20,129,159.77
5. Step 5: Solve for x
   x = 20,129,159.77/5,098.82
6. Step 6: Final answer
   x = 3,947.81