Finding the Fourth Proportional to 13,945.96, 19,245.77 and 7,658.34

Step by Step Solution

1. Step 1: Write the proportion equation
   13,945.96 : 19,245.77 = 7,658.34 : x
2. Step 2: Convert to fraction form
   13,945.96/19,245.77 = 7,658.34/x
3. Step 3: Cross multiply
   13,945.96x = 19,245.77 × 7,658.34
4. Step 4: Simplify right side
   13,945.96x = 147,390,650.22
5. Step 5: Solve for x
   x = 147,390,650.22/13,945.96
6. Step 6: Final answer
   x = 10,568.70