Finding the Fourth Proportional to 13,019.64, 17,967.18 and 7,051.38

Step by Step Solution

1. Step 1: Write the proportion equation
   13,019.64 : 17,967.18 = 7,051.38 : x
2. Step 2: Convert to fraction form
   13,019.64/17,967.18 = 7,051.38/x
3. Step 3: Cross multiply
   13,019.64x = 17,967.18 × 7,051.38
4. Step 4: Simplify right side
   13,019.64x = 126,693,413.71
5. Step 5: Solve for x
   x = 126,693,413.71/13,019.64
6. Step 6: Final answer
   x = 9,730.95