Finding the Fourth Proportional to 13,941.72, 19,242.54 and 8,355.96

Step by Step Solution

1. Step 1: Write the proportion equation
   13,941.72 : 19,242.54 = 8,355.96 : x
2. Step 2: Convert to fraction form
   13,941.72/19,242.54 = 8,355.96/x
3. Step 3: Cross multiply
   13,941.72x = 19,242.54 × 8,355.96
4. Step 4: Simplify right side
   13,941.72x = 160,789,894.54
5. Step 5: Solve for x
   x = 160,789,894.54/13,941.72
6. Step 6: Final answer
   x = 11,533.00