Finding the Fourth Proportional to 7,830.33, 10,805.76 and 4,293.42

Step by Step Solution

1. Step 1: Write the proportion equation
   7,830.33 : 10,805.76 = 4,293.42 : x
2. Step 2: Convert to fraction form
   7,830.33/10,805.76 = 4,293.42/x
3. Step 3: Cross multiply
   7,830.33x = 10,805.76 × 4,293.42
4. Step 4: Simplify right side
   7,830.33x = 46,393,666.10
5. Step 5: Solve for x
   x = 46,393,666.10/7,830.33
6. Step 6: Final answer
   x = 5,924.87