Finding the Fourth Proportional to 5,098.03, 7,640.56 and 2,786.83

Step by Step Solution

1. Step 1: Write the proportion equation
   5,098.03 : 7,640.56 = 2,786.83 : x
2. Step 2: Convert to fraction form
   5,098.03/7,640.56 = 2,786.83/x
3. Step 3: Cross multiply
   5,098.03x = 7,640.56 × 2,786.83
4. Step 4: Simplify right side
   5,098.03x = 21,292,941.82
5. Step 5: Solve for x
   x = 21,292,941.82/5,098.03
6. Step 6: Final answer
   x = 4,176.70