Finding the Fourth Proportional to 17,046.72, 23,500.80 and 13,258.08

Step by Step Solution

1. Step 1: Write the proportion equation
   17,046.72 : 23,500.80 = 13,258.08 : x
2. Step 2: Convert to fraction form
   17,046.72/23,500.80 = 13,258.08/x
3. Step 3: Cross multiply
   17,046.72x = 23,500.80 × 13,258.08
4. Step 4: Simplify right side
   17,046.72x = 311,575,486.46
5. Step 5: Solve for x
   x = 311,575,486.46/17,046.72
6. Step 6: Final answer
   x = 18,277.74