Finding the Fourth Proportional to 3,656.16, 5,483.92 and 1,058.72

Step by Step Solution

1. Step 1: Write the proportion equation
   3,656.16 : 5,483.92 = 1,058.72 : x
2. Step 2: Convert to fraction form
   3,656.16/5,483.92 = 1,058.72/x
3. Step 3: Cross multiply
   3,656.16x = 5,483.92 × 1,058.72
4. Step 4: Simplify right side
   3,656.16x = 5,805,935.78
5. Step 5: Solve for x
   x = 5,805,935.78/3,656.16
6. Step 6: Final answer
   x = 1,587.99