Finding the Fourth Proportional to 34,296.89, 51,447.15 and 10,921.50

Step by Step Solution

1. Step 1: Write the proportion equation
   34,296.89 : 51,447.15 = 10,921.50 : x
2. Step 2: Convert to fraction form
   34,296.89/51,447.15 = 10,921.50/x
3. Step 3: Cross multiply
   34,296.89x = 51,447.15 × 10,921.50
4. Step 4: Simplify right side
   34,296.89x = 561,880,048.73
5. Step 5: Solve for x
   x = 561,880,048.73/34,296.89
6. Step 6: Final answer
   x = 16,382.83