Finding the Fourth Proportional to 13,052.52, 18,009.35 and 7,947.97

Step by Step Solution

1. Step 1: Write the proportion equation
   13,052.52 : 18,009.35 = 7,947.97 : x
2. Step 2: Convert to fraction form
   13,052.52/18,009.35 = 7,947.97/x
3. Step 3: Cross multiply
   13,052.52x = 18,009.35 × 7,947.97
4. Step 4: Simplify right side
   13,052.52x = 143,137,773.52
5. Step 5: Solve for x
   x = 143,137,773.52/13,052.52
6. Step 6: Final answer
   x = 10,966.29