Finding the Fourth Proportional to 13,011.56, 17,955.94 and 7,043.27

Step by Step Solution

1. Step 1: Write the proportion equation
   13,011.56 : 17,955.94 = 7,043.27 : x
2. Step 2: Convert to fraction form
   13,011.56/17,955.94 = 7,043.27/x
3. Step 3: Cross multiply
   13,011.56x = 17,955.94 × 7,043.27
4. Step 4: Simplify right side
   13,011.56x = 126,468,498.31
5. Step 5: Solve for x
   x = 126,468,498.31/13,011.56
6. Step 6: Final answer
   x = 9,719.71