Finding the Fourth Proportional to 17,190.16, 23,721.96 and 10,117

Step by Step Solution

1. Step 1: Write the proportion equation
   17,190.16 : 23,721.96 = 10,117 : x
2. Step 2: Convert to fraction form
   17,190.16/23,721.96 = 10,117/x
3. Step 3: Cross multiply
   17,190.16x = 23,721.96 × 10,117
4. Step 4: Simplify right side
   17,190.16x = 239,995,069.32
5. Step 5: Solve for x
   x = 239,995,069.32/17,190.16
6. Step 6: Final answer
   x = 13,961.19