Finding the Fourth Proportional to 13,019.89, 17,967.47 and 7,051.61

Step by Step Solution

1. Step 1: Write the proportion equation
   13,019.89 : 17,967.47 = 7,051.61 : x
2. Step 2: Convert to fraction form
   13,019.89/17,967.47 = 7,051.61/x
3. Step 3: Cross multiply
   13,019.89x = 17,967.47 × 7,051.61
4. Step 4: Simplify right side
   13,019.89x = 126,699,591.13
5. Step 5: Solve for x
   x = 126,699,591.13/13,019.89
6. Step 6: Final answer
   x = 9,731.23