Finding the Fourth Proportional to 2,216.39, 3,060.59 and 2,111.36

Step by Step Solution

1. Step 1: Write the proportion equation
   2,216.39 : 3,060.59 = 2,111.36 : x
2. Step 2: Convert to fraction form
   2,216.39/3,060.59 = 2,111.36/x
3. Step 3: Cross multiply
   2,216.39x = 3,060.59 × 2,111.36
4. Step 4: Simplify right side
   2,216.39x = 6,462,004.93
5. Step 5: Solve for x
   x = 6,462,004.93/2,216.39
6. Step 6: Final answer
   x = 2,915.56