Finding the Fourth Proportional to 1,336.59, 2,003.49 and 470.25

Step by Step Solution

1. Step 1: Write the proportion equation
   1,336.59 : 2,003.49 = 470.25 : x
2. Step 2: Convert to fraction form
   1,336.59/2,003.49 = 470.25/x
3. Step 3: Cross multiply
   1,336.59x = 2,003.49 × 470.25
4. Step 4: Simplify right side
   1,336.59x = 942,141.17
5. Step 5: Solve for x
   x = 942,141.17/1,336.59
6. Step 6: Final answer
   x = 704.88