Finding the Fourth Proportional to 5,017.98, 7,521.99 and 2,380.85

Step by Step Solution

1. Step 1: Write the proportion equation
   5,017.98 : 7,521.99 = 2,380.85 : x
2. Step 2: Convert to fraction form
   5,017.98/7,521.99 = 2,380.85/x
3. Step 3: Cross multiply
   5,017.98x = 7,521.99 × 2,380.85
4. Step 4: Simplify right side
   5,017.98x = 17,908,729.89
5. Step 5: Solve for x
   x = 17,908,729.89/5,017.98
6. Step 6: Final answer
   x = 3,568.91