Finding the Fourth Proportional to 5,864.54, 8,103.20 and 5,654.34

Step by Step Solution

1. Step 1: Write the proportion equation
   5,864.54 : 8,103.20 = 5,654.34 : x
2. Step 2: Convert to fraction form
   5,864.54/8,103.20 = 5,654.34/x
3. Step 3: Cross multiply
   5,864.54x = 8,103.20 × 5,654.34
4. Step 4: Simplify right side
   5,864.54x = 45,818,219.62
5. Step 5: Solve for x
   x = 45,818,219.62/5,864.54
6. Step 6: Final answer
   x = 7,812.76