Finding the Fourth Proportional to 1,308, 1,800.72 and 1,160.04

Step by Step Solution

1. Step 1: Write the proportion equation
   1,308 : 1,800.72 = 1,160.04 : x
2. Step 2: Convert to fraction form
   1,308/1,800.72 = 1,160.04/x
3. Step 3: Cross multiply
   1,308x = 1,800.72 × 1,160.04
4. Step 4: Simplify right side
   1,308x = 2,088,907.23
5. Step 5: Solve for x
   x = 2,088,907.23/1,308
6. Step 6: Final answer
   x = 1,597.02