Finding the Fourth Proportional to 13,020.28, 17,967.83 and 7,051.86

Step by Step Solution

1. Step 1: Write the proportion equation
   13,020.28 : 17,967.83 = 7,051.86 : x
2. Step 2: Convert to fraction form
   13,020.28/17,967.83 = 7,051.86/x
3. Step 3: Cross multiply
   13,020.28x = 17,967.83 × 7,051.86
4. Step 4: Simplify right side
   13,020.28x = 126,706,586.40
5. Step 5: Solve for x
   x = 126,706,586.40/13,020.28
6. Step 6: Final answer
   x = 9,731.48