Finding the Fourth Proportional to 1,577.22, 2,362.18 and 1,522.55

Step by Step Solution

1. Step 1: Write the proportion equation
   1,577.22 : 2,362.18 = 1,522.55 : x
2. Step 2: Convert to fraction form
   1,577.22/2,362.18 = 1,522.55/x
3. Step 3: Cross multiply
   1,577.22x = 2,362.18 × 1,522.55
4. Step 4: Simplify right side
   1,577.22x = 3,596,521.54
5. Step 5: Solve for x
   x = 3,596,521.54/1,577.22
6. Step 6: Final answer
   x = 2,280.29