Finding the Fourth Proportional to 2,613.84, 3,606.96 and 1,434.88

Step by Step Solution

1. Step 1: Write the proportion equation
   2,613.84 : 3,606.96 = 1,434.88 : x
2. Step 2: Convert to fraction form
   2,613.84/3,606.96 = 1,434.88/x
3. Step 3: Cross multiply
   2,613.84x = 3,606.96 × 1,434.88
4. Step 4: Simplify right side
   2,613.84x = 5,175,554.76
5. Step 5: Solve for x
   x = 5,175,554.76/2,613.84
6. Step 6: Final answer
   x = 1,980.06