Finding the Fourth Proportional to 2,326.80, 3,210.56 and 1,540.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,326.80 : 3,210.56 = 1,540.56 : x
2. Step 2: Convert to fraction form
   2,326.80/3,210.56 = 1,540.56/x
3. Step 3: Cross multiply
   2,326.80x = 3,210.56 × 1,540.56
4. Step 4: Simplify right side
   2,326.80x = 4,946,060.31
5. Step 5: Solve for x
   x = 4,946,060.31/2,326.80
6. Step 6: Final answer
   x = 2,125.69