Finding the Fourth Proportional to 2,108.76, 2,910.52 and 1,322.24

Step by Step Solution

1. Step 1: Write the proportion equation
   2,108.76 : 2,910.52 = 1,322.24 : x
2. Step 2: Convert to fraction form
   2,108.76/2,910.52 = 1,322.24/x
3. Step 3: Cross multiply
   2,108.76x = 2,910.52 × 1,322.24
4. Step 4: Simplify right side
   2,108.76x = 3,848,405.96
5. Step 5: Solve for x
   x = 3,848,405.96/2,108.76
6. Step 6: Final answer
   x = 1,824.96