Finding the Fourth Proportional to 12,372.89, 18,554.72 and 4,974.86

Step by Step Solution

1. Step 1: Write the proportion equation
   12,372.89 : 18,554.72 = 4,974.86 : x
2. Step 2: Convert to fraction form
   12,372.89/18,554.72 = 4,974.86/x
3. Step 3: Cross multiply
   12,372.89x = 18,554.72 × 4,974.86
4. Step 4: Simplify right side
   12,372.89x = 92,307,016.69
5. Step 5: Solve for x
   x = 92,307,016.69/12,372.89
6. Step 6: Final answer
   x = 7,460.43