Finding the Fourth Proportional to 1,747.24, 2,406.18 and 1,436.20

Step by Step Solution

1. Step 1: Write the proportion equation
   1,747.24 : 2,406.18 = 1,436.20 : x
2. Step 2: Convert to fraction form
   1,747.24/2,406.18 = 1,436.20/x
3. Step 3: Cross multiply
   1,747.24x = 2,406.18 × 1,436.20
4. Step 4: Simplify right side
   1,747.24x = 3,455,755.72
5. Step 5: Solve for x
   x = 3,455,755.72/1,747.24
6. Step 6: Final answer
   x = 1,977.84