Finding the Fourth Proportional to 13,033.31, 17,987.60 and 7,368.30

Step by Step Solution

1. Step 1: Write the proportion equation
   13,033.31 : 17,987.60 = 7,368.30 : x
2. Step 2: Convert to fraction form
   13,033.31/17,987.60 = 7,368.30/x
3. Step 3: Cross multiply
   13,033.31x = 17,987.60 × 7,368.30
4. Step 4: Simplify right side
   13,033.31x = 132,538,051.50
5. Step 5: Solve for x
   x = 132,538,051.50/13,033.31
6. Step 6: Final answer
   x = 10,169.18