Finding the Fourth Proportional to 5,576.86, 7,698.53 and 3,904.84

Step by Step Solution

1. Step 1: Write the proportion equation
   5,576.86 : 7,698.53 = 3,904.84 : x
2. Step 2: Convert to fraction form
   5,576.86/7,698.53 = 3,904.84/x
3. Step 3: Cross multiply
   5,576.86x = 7,698.53 × 3,904.84
4. Step 4: Simplify right side
   5,576.86x = 30,061,518.40
5. Step 5: Solve for x
   x = 30,061,518.40/5,576.86
6. Step 6: Final answer
   x = 5,390.40