Finding the Fourth Proportional to 12,274.56, 18,400.41 and 4,477.50

Step by Step Solution

1. Step 1: Write the proportion equation
   12,274.56 : 18,400.41 = 4,477.50 : x
2. Step 2: Convert to fraction form
   12,274.56/18,400.41 = 4,477.50/x
3. Step 3: Cross multiply
   12,274.56x = 18,400.41 × 4,477.50
4. Step 4: Simplify right side
   12,274.56x = 82,387,835.78
5. Step 5: Solve for x
   x = 82,387,835.78/12,274.56
6. Step 6: Final answer
   x = 6,712.08