Finding the Fourth Proportional to 2,613.88, 3,606.54 and 1,914.04

Step by Step Solution

1. Step 1: Write the proportion equation
   2,613.88 : 3,606.54 = 1,914.04 : x
2. Step 2: Convert to fraction form
   2,613.88/3,606.54 = 1,914.04/x
3. Step 3: Cross multiply
   2,613.88x = 3,606.54 × 1,914.04
4. Step 4: Simplify right side
   2,613.88x = 6,903,061.82
5. Step 5: Solve for x
   x = 6,903,061.82/2,613.88
6. Step 6: Final answer
   x = 2,640.93