Finding the Fourth Proportional to 5,783.15, 7,978.59 and 4,274.34

Step by Step Solution

1. Step 1: Write the proportion equation
   5,783.15 : 7,978.59 = 4,274.34 : x
2. Step 2: Convert to fraction form
   5,783.15/7,978.59 = 4,274.34/x
3. Step 3: Cross multiply
   5,783.15x = 7,978.59 × 4,274.34
4. Step 4: Simplify right side
   5,783.15x = 34,103,206.38
5. Step 5: Solve for x
   x = 34,103,206.38/5,783.15
6. Step 6: Final answer
   x = 5,897.00