Finding the Fourth Proportional to 2,111.08, 3,168.24 and 1,564.96

Step by Step Solution

1. Step 1: Write the proportion equation
   2,111.08 : 3,168.24 = 1,564.96 : x
2. Step 2: Convert to fraction form
   2,111.08/3,168.24 = 1,564.96/x
3. Step 3: Cross multiply
   2,111.08x = 3,168.24 × 1,564.96
4. Step 4: Simplify right side
   2,111.08x = 4,958,168.87
5. Step 5: Solve for x
   x = 4,958,168.87/2,111.08
6. Step 6: Final answer
   x = 2,348.64