Finding the Fourth Proportional to 1,596.69, 2,200.69 and 1,316.02

Step by Step Solution

1. Step 1: Write the proportion equation
   1,596.69 : 2,200.69 = 1,316.02 : x
2. Step 2: Convert to fraction form
   1,596.69/2,200.69 = 1,316.02/x
3. Step 3: Cross multiply
   1,596.69x = 2,200.69 × 1,316.02
4. Step 4: Simplify right side
   1,596.69x = 2,896,152.05
5. Step 5: Solve for x
   x = 2,896,152.05/1,596.69
6. Step 6: Final answer
   x = 1,813.85