Finding the Fourth Proportional to 2,409.93, 3,613.52 and 948.28

Step by Step Solution

1. Step 1: Write the proportion equation
   2,409.93 : 3,613.52 = 948.28 : x
2. Step 2: Convert to fraction form
   2,409.93/3,613.52 = 948.28/x
3. Step 3: Cross multiply
   2,409.93x = 3,613.52 × 948.28
4. Step 4: Simplify right side
   2,409.93x = 3,426,628.75
5. Step 5: Solve for x
   x = 3,426,628.75/2,409.93
6. Step 6: Final answer
   x = 1,421.88