Finding the Fourth Proportional to 2,104.98, 3,156.30 and 1,520.22

Step by Step Solution

1. Step 1: Write the proportion equation
   2,104.98 : 3,156.30 = 1,520.22 : x
2. Step 2: Convert to fraction form
   2,104.98/3,156.30 = 1,520.22/x
3. Step 3: Cross multiply
   2,104.98x = 3,156.30 × 1,520.22
4. Step 4: Simplify right side
   2,104.98x = 4,798,270.39
5. Step 5: Solve for x
   x = 4,798,270.39/2,104.98
6. Step 6: Final answer
   x = 2,279.49