Finding the Fourth Proportional to 11,058.80, 15,264.28 and 7,284.72

Step by Step Solution

1. Step 1: Write the proportion equation
   11,058.80 : 15,264.28 = 7,284.72 : x
2. Step 2: Convert to fraction form
   11,058.80/15,264.28 = 7,284.72/x
3. Step 3: Cross multiply
   11,058.80x = 15,264.28 × 7,284.72
4. Step 4: Simplify right side
   11,058.80x = 111,196,005.80
5. Step 5: Solve for x
   x = 111,196,005.80/11,058.80
6. Step 6: Final answer
   x = 10,054.98