Finding the Fourth Proportional to 17,018.73, 25,531.34 and 5,328.81

Step by Step Solution

1. Step 1: Write the proportion equation
   17,018.73 : 25,531.34 = 5,328.81 : x
2. Step 2: Convert to fraction form
   17,018.73/25,531.34 = 5,328.81/x
3. Step 3: Cross multiply
   17,018.73x = 25,531.34 × 5,328.81
4. Step 4: Simplify right side
   17,018.73x = 136,051,633.26
5. Step 5: Solve for x
   x = 136,051,633.26/17,018.73
6. Step 6: Final answer
   x = 7,994.23