Finding the Fourth Proportional to 1,613.84, 2,417.42 and 1,304.02

Step by Step Solution

1. Step 1: Write the proportion equation
   1,613.84 : 2,417.42 = 1,304.02 : x
2. Step 2: Convert to fraction form
   1,613.84/2,417.42 = 1,304.02/x
3. Step 3: Cross multiply
   1,613.84x = 2,417.42 × 1,304.02
4. Step 4: Simplify right side
   1,613.84x = 3,152,354.72
5. Step 5: Solve for x
   x = 3,152,354.72/1,613.84
6. Step 6: Final answer
   x = 1,953.32