Finding the Fourth Proportional to 34,300.33, 51,448.94 and 13,236.50

Step by Step Solution

1. Step 1: Write the proportion equation
   34,300.33 : 51,448.94 = 13,236.50 : x
2. Step 2: Convert to fraction form
   34,300.33/51,448.94 = 13,236.50/x
3. Step 3: Cross multiply
   34,300.33x = 51,448.94 × 13,236.50
4. Step 4: Simplify right side
   34,300.33x = 681,004,006.39
5. Step 5: Solve for x
   x = 681,004,006.39/34,300.33
6. Step 6: Final answer
   x = 19,854.15