Finding the Fourth Proportional to 1,470.80, 2,204.72 and 738.16

Step by Step Solution

1. Step 1: Write the proportion equation
   1,470.80 : 2,204.72 = 738.16 : x
2. Step 2: Convert to fraction form
   1,470.80/2,204.72 = 738.16/x
3. Step 3: Cross multiply
   1,470.80x = 2,204.72 × 738.16
4. Step 4: Simplify right side
   1,470.80x = 1,627,436.12
5. Step 5: Solve for x
   x = 1,627,436.12/1,470.80
6. Step 6: Final answer
   x = 1,106.50