Finding the Fourth Proportional to 36,648.72, 54,880.04 and 30,709.99

Step by Step Solution

1. Step 1: Write the proportion equation
   36,648.72 : 54,880.04 = 30,709.99 : x
2. Step 2: Convert to fraction form
   36,648.72/54,880.04 = 30,709.99/x
3. Step 3: Cross multiply
   36,648.72x = 54,880.04 × 30,709.99
4. Step 4: Simplify right side
   36,648.72x = 1,685,365,479.60
5. Step 5: Solve for x
   x = 1,685,365,479.60/36,648.72
6. Step 6: Final answer
   x = 45,987.02