Finding the Fourth Proportional to 13,022.07, 17,972.10 and 7,357.10

Step by Step Solution

1. Step 1: Write the proportion equation
   13,022.07 : 17,972.10 = 7,357.10 : x
2. Step 2: Convert to fraction form
   13,022.07/17,972.10 = 7,357.10/x
3. Step 3: Cross multiply
   13,022.07x = 17,972.10 × 7,357.10
4. Step 4: Simplify right side
   13,022.07x = 132,222,500.12
5. Step 5: Solve for x
   x = 132,222,500.12/13,022.07
6. Step 6: Final answer
   x = 10,153.72