Finding the Fourth Proportional to 13,019.87, 17,967.42 and 7,051.56

Step by Step Solution

1. Step 1: Write the proportion equation
   13,019.87 : 17,967.42 = 7,051.56 : x
2. Step 2: Convert to fraction form
   13,019.87/17,967.42 = 7,051.56/x
3. Step 3: Cross multiply
   13,019.87x = 17,967.42 × 7,051.56
4. Step 4: Simplify right side
   13,019.87x = 126,698,340.18
5. Step 5: Solve for x
   x = 126,698,340.18/13,019.87
6. Step 6: Final answer
   x = 9,731.16