Finding the Fourth Proportional to 5,783.82, 7,981.38 and 3,426.72

Step by Step Solution

1. Step 1: Write the proportion equation
   5,783.82 : 7,981.38 = 3,426.72 : x
2. Step 2: Convert to fraction form
   5,783.82/7,981.38 = 3,426.72/x
3. Step 3: Cross multiply
   5,783.82x = 7,981.38 × 3,426.72
4. Step 4: Simplify right side
   5,783.82x = 27,349,954.47
5. Step 5: Solve for x
   x = 27,349,954.47/5,783.82
6. Step 6: Final answer
   x = 4,728.70