Finding the Fourth Proportional to 3,686.82, 5,088.27 and 2,114.88

Step by Step Solution

1. Step 1: Write the proportion equation
   3,686.82 : 5,088.27 = 2,114.88 : x
2. Step 2: Convert to fraction form
   3,686.82/5,088.27 = 2,114.88/x
3. Step 3: Cross multiply
   3,686.82x = 5,088.27 × 2,114.88
4. Step 4: Simplify right side
   3,686.82x = 10,761,080.46
5. Step 5: Solve for x
   x = 10,761,080.46/3,686.82
6. Step 6: Final answer
   x = 2,918.80