Finding the Fourth Proportional to 1,105.79, 1,522.85 and 1,102.37

Step by Step Solution

1. Step 1: Write the proportion equation
   1,105.79 : 1,522.85 = 1,102.37 : x
2. Step 2: Convert to fraction form
   1,105.79/1,522.85 = 1,102.37/x
3. Step 3: Cross multiply
   1,105.79x = 1,522.85 × 1,102.37
4. Step 4: Simplify right side
   1,105.79x = 1,678,731.03
5. Step 5: Solve for x
   x = 1,678,731.03/1,105.79
6. Step 6: Final answer
   x = 1,518.14