Finding the Fourth Proportional to 1,613.02, 2,225.61 and 1,024.30

Step by Step Solution

1. Step 1: Write the proportion equation
   1,613.02 : 2,225.61 = 1,024.30 : x
2. Step 2: Convert to fraction form
   1,613.02/2,225.61 = 1,024.30/x
3. Step 3: Cross multiply
   1,613.02x = 2,225.61 × 1,024.30
4. Step 4: Simplify right side
   1,613.02x = 2,279,692.32
5. Step 5: Solve for x
   x = 2,279,692.32/1,613.02
6. Step 6: Final answer
   x = 1,413.31