Finding the Fourth Proportional to 13,023, 17,971.60 and 7,054.72

Step by Step Solution

1. Step 1: Write the proportion equation
   13,023 : 17,971.60 = 7,054.72 : x
2. Step 2: Convert to fraction form
   13,023/17,971.60 = 7,054.72/x
3. Step 3: Cross multiply
   13,023x = 17,971.60 × 7,054.72
4. Step 4: Simplify right side
   13,023x = 126,784,605.95
5. Step 5: Solve for x
   x = 126,784,605.95/13,023
6. Step 6: Final answer
   x = 9,735.44