Finding the Fourth Proportional to 30,499.84, 45,744.56 and 8,308.02

Step by Step Solution

1. Step 1: Write the proportion equation
   30,499.84 : 45,744.56 = 8,308.02 : x
2. Step 2: Convert to fraction form
   30,499.84/45,744.56 = 8,308.02/x
3. Step 3: Cross multiply
   30,499.84x = 45,744.56 × 8,308.02
4. Step 4: Simplify right side
   30,499.84x = 380,046,854.50
5. Step 5: Solve for x
   x = 380,046,854.50/30,499.84
6. Step 6: Final answer
   x = 12,460.62