Finding the Fourth Proportional to 1,300.65, 1,949.60 and 606.51

Step by Step Solution

1. Step 1: Write the proportion equation
   1,300.65 : 1,949.60 = 606.51 : x
2. Step 2: Convert to fraction form
   1,300.65/1,949.60 = 606.51/x
3. Step 3: Cross multiply
   1,300.65x = 1,949.60 × 606.51
4. Step 4: Simplify right side
   1,300.65x = 1,182,448.86
5. Step 5: Solve for x
   x = 1,182,448.86/1,300.65
6. Step 6: Final answer
   x = 909.12