Finding the Fourth Proportional to 13,315.46, 19,967.39 and 7,074.10

Step by Step Solution

1. Step 1: Write the proportion equation
   13,315.46 : 19,967.39 = 7,074.10 : x
2. Step 2: Convert to fraction form
   13,315.46/19,967.39 = 7,074.10/x
3. Step 3: Cross multiply
   13,315.46x = 19,967.39 × 7,074.10
4. Step 4: Simplify right side
   13,315.46x = 141,251,313.60
5. Step 5: Solve for x
   x = 141,251,313.60/13,315.46
6. Step 6: Final answer
   x = 10,608.07