Finding the Fourth Proportional to 34,301.08, 51,422.05 and 13,255.89

Step by Step Solution

1. Step 1: Write the proportion equation
   34,301.08 : 51,422.05 = 13,255.89 : x
2. Step 2: Convert to fraction form
   34,301.08/51,422.05 = 13,255.89/x
3. Step 3: Cross multiply
   34,301.08x = 51,422.05 × 13,255.89
4. Step 4: Simplify right side
   34,301.08x = 681,645,097.69
5. Step 5: Solve for x
   x = 681,645,097.69/34,301.08
6. Step 6: Final answer
   x = 19,872.41