Finding the Fourth Proportional to 8,913.72, 12,300.60 and 4,934.52

Step by Step Solution

1. Step 1: Write the proportion equation
   8,913.72 : 12,300.60 = 4,934.52 : x
2. Step 2: Convert to fraction form
   8,913.72/12,300.60 = 4,934.52/x
3. Step 3: Cross multiply
   8,913.72x = 12,300.60 × 4,934.52
4. Step 4: Simplify right side
   8,913.72x = 60,697,556.71
5. Step 5: Solve for x
   x = 60,697,556.71/8,913.72
6. Step 6: Final answer
   x = 6,809.45