Finding the Fourth Proportional to 34,257.96, 51,390.89 and 13,193.10

Step by Step Solution

1. Step 1: Write the proportion equation
   34,257.96 : 51,390.89 = 13,193.10 : x
2. Step 2: Convert to fraction form
   34,257.96/51,390.89 = 13,193.10/x
3. Step 3: Cross multiply
   34,257.96x = 51,390.89 × 13,193.10
4. Step 4: Simplify right side
   34,257.96x = 678,005,150.86
5. Step 5: Solve for x
   x = 678,005,150.86/34,257.96
6. Step 6: Final answer
   x = 19,791.17