Finding the Fourth Proportional to 34,300.26, 51,426.63 and 13,222.98

Step by Step Solution

1. Step 1: Write the proportion equation
   34,300.26 : 51,426.63 = 13,222.98 : x
2. Step 2: Convert to fraction form
   34,300.26/51,426.63 = 13,222.98/x
3. Step 3: Cross multiply
   34,300.26x = 51,426.63 × 13,222.98
4. Step 4: Simplify right side
   34,300.26x = 680,013,299.96
5. Step 5: Solve for x
   x = 680,013,299.96/34,300.26
6. Step 6: Final answer
   x = 19,825.31