Finding the Fourth Proportional to 1,605.62, 2,410.65 and 1,061.30

Step by Step Solution

1. Step 1: Write the proportion equation
   1,605.62 : 2,410.65 = 1,061.30 : x
2. Step 2: Convert to fraction form
   1,605.62/2,410.65 = 1,061.30/x
3. Step 3: Cross multiply
   1,605.62x = 2,410.65 × 1,061.30
4. Step 4: Simplify right side
   1,605.62x = 2,558,422.85
5. Step 5: Solve for x
   x = 2,558,422.85/1,605.62
6. Step 6: Final answer
   x = 1,593.42