Finding the Fourth Proportional to 5,838.72, 8,051.80 and 3,928.84

Step by Step Solution

1. Step 1: Write the proportion equation
   5,838.72 : 8,051.80 = 3,928.84 : x
2. Step 2: Convert to fraction form
   5,838.72/8,051.80 = 3,928.84/x
3. Step 3: Cross multiply
   5,838.72x = 8,051.80 × 3,928.84
4. Step 4: Simplify right side
   5,838.72x = 31,634,233.91
5. Step 5: Solve for x
   x = 31,634,233.91/5,838.72
6. Step 6: Final answer
   x = 5,418.01