Finding the Fourth Proportional to 17,204.16, 23,742.72 and 13,005.12

Step by Step Solution

1. Step 1: Write the proportion equation
   17,204.16 : 23,742.72 = 13,005.12 : x
2. Step 2: Convert to fraction form
   17,204.16/23,742.72 = 13,005.12/x
3. Step 3: Cross multiply
   17,204.16x = 23,742.72 × 13,005.12
4. Step 4: Simplify right side
   17,204.16x = 308,776,922.73
5. Step 5: Solve for x
   x = 308,776,922.73/17,204.16
6. Step 6: Final answer
   x = 17,947.81