Finding the Fourth Proportional to 1,622.52, 2,234.52 and 1,515.60

Step by Step Solution

1. Step 1: Write the proportion equation
   1,622.52 : 2,234.52 = 1,515.60 : x
2. Step 2: Convert to fraction form
   1,622.52/2,234.52 = 1,515.60/x
3. Step 3: Cross multiply
   1,622.52x = 2,234.52 × 1,515.60
4. Step 4: Simplify right side
   1,622.52x = 3,386,638.51
5. Step 5: Solve for x
   x = 3,386,638.51/1,622.52
6. Step 6: Final answer
   x = 2,087.27