Finding the Fourth Proportional to 3,655.52, 5,484.24 and 1,058.72

Step by Step Solution

1. Step 1: Write the proportion equation
   3,655.52 : 5,484.24 = 1,058.72 : x
2. Step 2: Convert to fraction form
   3,655.52/5,484.24 = 1,058.72/x
3. Step 3: Cross multiply
   3,655.52x = 5,484.24 × 1,058.72
4. Step 4: Simplify right side
   3,655.52x = 5,806,274.57
5. Step 5: Solve for x
   x = 5,806,274.57/3,655.52
6. Step 6: Final answer
   x = 1,588.36