Finding the Fourth Proportional to 9,987.03, 13,782.02 and 5,510.81

Step by Step Solution

1. Step 1: Write the proportion equation
   9,987.03 : 13,782.02 = 5,510.81 : x
2. Step 2: Convert to fraction form
   9,987.03/13,782.02 = 5,510.81/x
3. Step 3: Cross multiply
   9,987.03x = 13,782.02 × 5,510.81
4. Step 4: Simplify right side
   9,987.03x = 75,950,100.54
5. Step 5: Solve for x
   x = 75,950,100.54/9,987.03
6. Step 6: Final answer
   x = 7,604.87