Finding the Fourth Proportional to 16,672.47, 23,020.06 and 10,307.79

Step by Step Solution

1. Step 1: Write the proportion equation
   16,672.47 : 23,020.06 = 10,307.79 : x
2. Step 2: Convert to fraction form
   16,672.47/23,020.06 = 10,307.79/x
3. Step 3: Cross multiply
   16,672.47x = 23,020.06 × 10,307.79
4. Step 4: Simplify right side
   16,672.47x = 237,285,944.27
5. Step 5: Solve for x
   x = 237,285,944.27/16,672.47
6. Step 6: Final answer
   x = 14,232.20