Finding the Fourth Proportional to 2,715.82, 4,071.88 and 1,254.16

Step by Step Solution

1. Step 1: Write the proportion equation
   2,715.82 : 4,071.88 = 1,254.16 : x
2. Step 2: Convert to fraction form
   2,715.82/4,071.88 = 1,254.16/x
3. Step 3: Cross multiply
   2,715.82x = 4,071.88 × 1,254.16
4. Step 4: Simplify right side
   2,715.82x = 5,106,789.02
5. Step 5: Solve for x
   x = 5,106,789.02/2,715.82
6. Step 6: Final answer
   x = 1,880.39