Finding the Fourth Proportional to 2,909.25, 4,359.61 and 1,810.27

Step by Step Solution

1. Step 1: Write the proportion equation
   2,909.25 : 4,359.61 = 1,810.27 : x
2. Step 2: Convert to fraction form
   2,909.25/4,359.61 = 1,810.27/x
3. Step 3: Cross multiply
   2,909.25x = 4,359.61 × 1,810.27
4. Step 4: Simplify right side
   2,909.25x = 7,892,071.19
5. Step 5: Solve for x
   x = 7,892,071.19/2,909.25
6. Step 6: Final answer
   x = 2,712.75