Finding the Fourth Proportional to 12,179.10, 18,260.82 and 4,784.34

Step by Step Solution

1. Step 1: Write the proportion equation
   12,179.10 : 18,260.82 = 4,784.34 : x
2. Step 2: Convert to fraction form
   12,179.10/18,260.82 = 4,784.34/x
3. Step 3: Cross multiply
   12,179.10x = 18,260.82 × 4,784.34
4. Step 4: Simplify right side
   12,179.10x = 87,365,971.56
5. Step 5: Solve for x
   x = 87,365,971.56/12,179.10
6. Step 6: Final answer
   x = 7,173.43