Finding the Fourth Proportional to 13,036.79, 17,990.69 and 7,068.44

Step by Step Solution

1. Step 1: Write the proportion equation
   13,036.79 : 17,990.69 = 7,068.44 : x
2. Step 2: Convert to fraction form
   13,036.79/17,990.69 = 7,068.44/x
3. Step 3: Cross multiply
   13,036.79x = 17,990.69 × 7,068.44
4. Step 4: Simplify right side
   13,036.79x = 127,165,987.53
5. Step 5: Solve for x
   x = 127,165,987.53/13,036.79
6. Step 6: Final answer
   x = 9,754.40