Finding the Fourth Proportional to 17,019.80, 23,494.74 and 9,945.08

Step by Step Solution

1. Step 1: Write the proportion equation
   17,019.80 : 23,494.74 = 9,945.08 : x
2. Step 2: Convert to fraction form
   17,019.80/23,494.74 = 9,945.08/x
3. Step 3: Cross multiply
   17,019.80x = 23,494.74 × 9,945.08
4. Step 4: Simplify right side
   17,019.80x = 233,657,068.88
5. Step 5: Solve for x
   x = 233,657,068.88/17,019.80
6. Step 6: Final answer
   x = 13,728.54