Finding the Fourth Proportional to 17,063.46, 23,548.05 and 9,990.18

Step by Step Solution

1. Step 1: Write the proportion equation
   17,063.46 : 23,548.05 = 9,990.18 : x
2. Step 2: Convert to fraction form
   17,063.46/23,548.05 = 9,990.18/x
3. Step 3: Cross multiply
   17,063.46x = 23,548.05 × 9,990.18
4. Step 4: Simplify right side
   17,063.46x = 235,249,258.15
5. Step 5: Solve for x
   x = 235,249,258.15/17,063.46
6. Step 6: Final answer
   x = 13,786.73