Finding the Fourth Proportional to 2,436.72, 3,655.28 and 705.48

Step by Step Solution

1. Step 1: Write the proportion equation
   2,436.72 : 3,655.28 = 705.48 : x
2. Step 2: Convert to fraction form
   2,436.72/3,655.28 = 705.48/x
3. Step 3: Cross multiply
   2,436.72x = 3,655.28 × 705.48
4. Step 4: Simplify right side
   2,436.72x = 2,578,726.93
5. Step 5: Solve for x
   x = 2,578,726.93/2,436.72
6. Step 6: Final answer
   x = 1,058.28