Finding the Fourth Proportional to 11,058.04, 15,255.91 and 7,078.51

Step by Step Solution

1. Step 1: Write the proportion equation
   11,058.04 : 15,255.91 = 7,078.51 : x
2. Step 2: Convert to fraction form
   11,058.04/15,255.91 = 7,078.51/x
3. Step 3: Cross multiply
   11,058.04x = 15,255.91 × 7,078.51
4. Step 4: Simplify right side
   11,058.04x = 107,989,111.49
5. Step 5: Solve for x
   x = 107,989,111.49/11,058.04
6. Step 6: Final answer
   x = 9,765.66