Finding the Fourth Proportional to 13,019.88, 17,967.50 and 7,051.56

Step by Step Solution

1. Step 1: Write the proportion equation
   13,019.88 : 17,967.50 = 7,051.56 : x
2. Step 2: Convert to fraction form
   13,019.88/17,967.50 = 7,051.56/x
3. Step 3: Cross multiply
   13,019.88x = 17,967.50 × 7,051.56
4. Step 4: Simplify right side
   13,019.88x = 126,698,904.30
5. Step 5: Solve for x
   x = 126,698,904.30/13,019.88
6. Step 6: Final answer
   x = 9,731.19