Finding the Fourth Proportional to 1,190.52, 1,643.00 and 659.41

Step by Step Solution

1. Step 1: Write the proportion equation
   1,190.52 : 1,643.00 = 659.41 : x
2. Step 2: Convert to fraction form
   1,190.52/1,643.00 = 659.41/x
3. Step 3: Cross multiply
   1,190.52x = 1,643.00 × 659.41
4. Step 4: Simplify right side
   1,190.52x = 1,083,409.39
5. Step 5: Solve for x
   x = 1,083,409.39/1,190.52
6. Step 6: Final answer
   x = 910.03