Finding the Fourth Proportional to 12,316.56, 18,475.23 and 4,819.82

Step by Step Solution

1. Step 1: Write the proportion equation
   12,316.56 : 18,475.23 = 4,819.82 : x
2. Step 2: Convert to fraction form
   12,316.56/18,475.23 = 4,819.82/x
3. Step 3: Cross multiply
   12,316.56x = 18,475.23 × 4,819.82
4. Step 4: Simplify right side
   12,316.56x = 89,047,283.06
5. Step 5: Solve for x
   x = 89,047,283.06/12,316.56
6. Step 6: Final answer
   x = 7,229.88