Finding the Fourth Proportional to 1,298.51, 1,948.14 and 605.59

Step by Step Solution

1. Step 1: Write the proportion equation
   1,298.51 : 1,948.14 = 605.59 : x
2. Step 2: Convert to fraction form
   1,298.51/1,948.14 = 605.59/x
3. Step 3: Cross multiply
   1,298.51x = 1,948.14 × 605.59
4. Step 4: Simplify right side
   1,298.51x = 1,179,774.10
5. Step 5: Solve for x
   x = 1,179,774.10/1,298.51
6. Step 6: Final answer
   x = 908.56