Finding the Fourth Proportional to 12,320.82, 18,470.34 and 4,527.84

Step by Step Solution

1. Step 1: Write the proportion equation
   12,320.82 : 18,470.34 = 4,527.84 : x
2. Step 2: Convert to fraction form
   12,320.82/18,470.34 = 4,527.84/x
3. Step 3: Cross multiply
   12,320.82x = 18,470.34 × 4,527.84
4. Step 4: Simplify right side
   12,320.82x = 83,630,744.27
5. Step 5: Solve for x
   x = 83,630,744.27/12,320.82
6. Step 6: Final answer
   x = 6,787.76