Finding the Fourth Proportional to 12,458.34, 17,189.37 and 8,483.49

Step by Step Solution

1. Step 1: Write the proportion equation
   12,458.34 : 17,189.37 = 8,483.49 : x
2. Step 2: Convert to fraction form
   12,458.34/17,189.37 = 8,483.49/x
3. Step 3: Cross multiply
   12,458.34x = 17,189.37 × 8,483.49
4. Step 4: Simplify right side
   12,458.34x = 145,825,848.50
5. Step 5: Solve for x
   x = 145,825,848.50/12,458.34
6. Step 6: Final answer
   x = 11,705.08