Finding the Fourth Proportional to 13,036.88, 17,988.54 and 7,370.12

Step by Step Solution

1. Step 1: Write the proportion equation
   13,036.88 : 17,988.54 = 7,370.12 : x
2. Step 2: Convert to fraction form
   13,036.88/17,988.54 = 7,370.12/x
3. Step 3: Cross multiply
   13,036.88x = 17,988.54 × 7,370.12
4. Step 4: Simplify right side
   13,036.88x = 132,577,698.42
5. Step 5: Solve for x
   x = 132,577,698.42/13,036.88
6. Step 6: Final answer
   x = 10,169.43