Finding the Fourth Proportional to 1,601.47, 2,206.59 and 1,158.60

Step by Step Solution

1. Step 1: Write the proportion equation
   1,601.47 : 2,206.59 = 1,158.60 : x
2. Step 2: Convert to fraction form
   1,601.47/2,206.59 = 1,158.60/x
3. Step 3: Cross multiply
   1,601.47x = 2,206.59 × 1,158.60
4. Step 4: Simplify right side
   1,601.47x = 2,556,565.62
5. Step 5: Solve for x
   x = 2,556,565.62/1,601.47
6. Step 6: Final answer
   x = 1,596.39