Finding the Fourth Proportional to 2,553.24, 3,522.80 and 1,558.46

Step by Step Solution

1. Step 1: Write the proportion equation
   2,553.24 : 3,522.80 = 1,558.46 : x
2. Step 2: Convert to fraction form
   2,553.24/3,522.80 = 1,558.46/x
3. Step 3: Cross multiply
   2,553.24x = 3,522.80 × 1,558.46
4. Step 4: Simplify right side
   2,553.24x = 5,490,142.89
5. Step 5: Solve for x
   x = 5,490,142.89/2,553.24
6. Step 6: Final answer
   x = 2,150.27