Finding the Fourth Proportional to 34,499.33, 51,718.23 and 12,309.47

Step by Step Solution

1. Step 1: Write the proportion equation
   34,499.33 : 51,718.23 = 12,309.47 : x
2. Step 2: Convert to fraction form
   34,499.33/51,718.23 = 12,309.47/x
3. Step 3: Cross multiply
   34,499.33x = 51,718.23 × 12,309.47
4. Step 4: Simplify right side
   34,499.33x = 636,624,000.64
5. Step 5: Solve for x
   x = 636,624,000.64/34,499.33
6. Step 6: Final answer
   x = 18,453.23