Finding the Fourth Proportional to 1,665.99, 2,298.60 and 1,036.62

Step by Step Solution

1. Step 1: Write the proportion equation
   1,665.99 : 2,298.60 = 1,036.62 : x
2. Step 2: Convert to fraction form
   1,665.99/2,298.60 = 1,036.62/x
3. Step 3: Cross multiply
   1,665.99x = 2,298.60 × 1,036.62
4. Step 4: Simplify right side
   1,665.99x = 2,382,774.73
5. Step 5: Solve for x
   x = 2,382,774.73/1,665.99
6. Step 6: Final answer
   x = 1,430.25