Finding the Fourth Proportional to 13,017.48, 19,510.56 and 5,987.81

Step by Step Solution

1. Step 1: Write the proportion equation
   13,017.48 : 19,510.56 = 5,987.81 : x
2. Step 2: Convert to fraction form
   13,017.48/19,510.56 = 5,987.81/x
3. Step 3: Cross multiply
   13,017.48x = 19,510.56 × 5,987.81
4. Step 4: Simplify right side
   13,017.48x = 116,825,451.18
5. Step 5: Solve for x
   x = 116,825,451.18/13,017.48
6. Step 6: Final answer
   x = 8,974.51