Finding the Fourth Proportional to 31,076.55, 46,581.56 and 12,330.62

Step by Step Solution

1. Step 1: Write the proportion equation
   31,076.55 : 46,581.56 = 12,330.62 : x
2. Step 2: Convert to fraction form
   31,076.55/46,581.56 = 12,330.62/x
3. Step 3: Cross multiply
   31,076.55x = 46,581.56 × 12,330.62
4. Step 4: Simplify right side
   31,076.55x = 574,379,515.37
5. Step 5: Solve for x
   x = 574,379,515.37/31,076.55
6. Step 6: Final answer
   x = 18,482.73