Finding the Fourth Proportional to 1,522.57, 2,099.23 and 1,242.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,522.57 : 2,099.23 = 1,242.52 : x
2. Step 2: Convert to fraction form
   1,522.57/2,099.23 = 1,242.52/x
3. Step 3: Cross multiply
   1,522.57x = 2,099.23 × 1,242.52
4. Step 4: Simplify right side
   1,522.57x = 2,608,338.37
5. Step 5: Solve for x
   x = 2,608,338.37/1,522.57
6. Step 6: Final answer
   x = 1,713.12