Finding the Fourth Proportional to 13,019.83, 17,968.94 and 7,354.81

Step by Step Solution

1. Step 1: Write the proportion equation
   13,019.83 : 17,968.94 = 7,354.81 : x
2. Step 2: Convert to fraction form
   13,019.83/17,968.94 = 7,354.81/x
3. Step 3: Cross multiply
   13,019.83x = 17,968.94 × 7,354.81
4. Step 4: Simplify right side
   13,019.83x = 132,158,178.14
5. Step 5: Solve for x
   x = 132,158,178.14/13,019.83
6. Step 6: Final answer
   x = 10,150.53