Finding the Fourth Proportional to 1,855.67, 2,557.37 and 1,522.16

Step by Step Solution

1. Step 1: Write the proportion equation
   1,855.67 : 2,557.37 = 1,522.16 : x
2. Step 2: Convert to fraction form
   1,855.67/2,557.37 = 1,522.16/x
3. Step 3: Cross multiply
   1,855.67x = 2,557.37 × 1,522.16
4. Step 4: Simplify right side
   1,855.67x = 3,892,717.34
5. Step 5: Solve for x
   x = 3,892,717.34/1,855.67
6. Step 6: Final answer
   x = 2,097.74