Finding the Fourth Proportional to 13,036.28, 17,993.00 and 7,374.31

Step by Step Solution

1. Step 1: Write the proportion equation
   13,036.28 : 17,993.00 = 7,374.31 : x
2. Step 2: Convert to fraction form
   13,036.28/17,993.00 = 7,374.31/x
3. Step 3: Cross multiply
   13,036.28x = 17,993.00 × 7,374.31
4. Step 4: Simplify right side
   13,036.28x = 132,685,933.28
5. Step 5: Solve for x
   x = 132,685,933.28/13,036.28
6. Step 6: Final answer
   x = 10,178.21