Finding the Fourth Proportional to 12,598.10, 17,379.56 and 8,123.29

Step by Step Solution

1. Step 1: Write the proportion equation
   12,598.10 : 17,379.56 = 8,123.29 : x
2. Step 2: Convert to fraction form
   12,598.10/17,379.56 = 8,123.29/x
3. Step 3: Cross multiply
   12,598.10x = 17,379.56 × 8,123.29
4. Step 4: Simplify right side
   12,598.10x = 141,179,182.81
5. Step 5: Solve for x
   x = 141,179,182.81/12,598.10
6. Step 6: Final answer
   x = 11,206.38