Finding the Fourth Proportional to 1,174.32, 1,620.59 and 650.39

Step by Step Solution

1. Step 1: Write the proportion equation
   1,174.32 : 1,620.59 = 650.39 : x
2. Step 2: Convert to fraction form
   1,174.32/1,620.59 = 650.39/x
3. Step 3: Cross multiply
   1,174.32x = 1,620.59 × 650.39
4. Step 4: Simplify right side
   1,174.32x = 1,054,004.18
5. Step 5: Solve for x
   x = 1,054,004.18/1,174.32
6. Step 6: Final answer
   x = 897.54