Finding the Fourth Proportional to 2,389.21, 3,583.04 and 1,656.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,389.21 : 3,583.04 = 1,656.56 : x
2. Step 2: Convert to fraction form
   2,389.21/3,583.04 = 1,656.56/x
3. Step 3: Cross multiply
   2,389.21x = 3,583.04 × 1,656.56
4. Step 4: Simplify right side
   2,389.21x = 5,935,521.42
5. Step 5: Solve for x
   x = 5,935,521.42/2,389.21
6. Step 6: Final answer
   x = 2,484.31