Finding the Fourth Proportional to 7,810.25, 10,778.42 and 4,273.46

Step by Step Solution

1. Step 1: Write the proportion equation
   7,810.25 : 10,778.42 = 4,273.46 : x
2. Step 2: Convert to fraction form
   7,810.25/10,778.42 = 4,273.46/x
3. Step 3: Cross multiply
   7,810.25x = 10,778.42 × 4,273.46
4. Step 4: Simplify right side
   7,810.25x = 46,061,119.91
5. Step 5: Solve for x
   x = 46,061,119.91/7,810.25
6. Step 6: Final answer
   x = 5,897.52