Finding the Fourth Proportional to 1,298.33, 1,948.20 and 605.32

Step by Step Solution

1. Step 1: Write the proportion equation
   1,298.33 : 1,948.20 = 605.32 : x
2. Step 2: Convert to fraction form
   1,298.33/1,948.20 = 605.32/x
3. Step 3: Cross multiply
   1,298.33x = 1,948.20 × 605.32
4. Step 4: Simplify right side
   1,298.33x = 1,179,279.55
5. Step 5: Solve for x
   x = 1,179,279.55/1,298.33
6. Step 6: Final answer
   x = 908.31