Finding the Fourth Proportional to 27,068.72, 37,352.04 and 15,131.72

Step by Step Solution

1. Step 1: Write the proportion equation
   27,068.72 : 37,352.04 = 15,131.72 : x
2. Step 2: Convert to fraction form
   27,068.72/37,352.04 = 15,131.72/x
3. Step 3: Cross multiply
   27,068.72x = 37,352.04 × 15,131.72
4. Step 4: Simplify right side
   27,068.72x = 565,200,610.71
5. Step 5: Solve for x
   x = 565,200,610.71/27,068.72
6. Step 6: Final answer
   x = 20,880.21