Finding the Fourth Proportional to 3,516.77, 4,848.57 and 2,188.10

Step by Step Solution

1. Step 1: Write the proportion equation
   3,516.77 : 4,848.57 = 2,188.10 : x
2. Step 2: Convert to fraction form
   3,516.77/4,848.57 = 2,188.10/x
3. Step 3: Cross multiply
   3,516.77x = 4,848.57 × 2,188.10
4. Step 4: Simplify right side
   3,516.77x = 10,609,131.77
5. Step 5: Solve for x
   x = 10,609,131.77/3,516.77
6. Step 6: Final answer
   x = 3,016.73