Finding the Fourth Proportional to 13,091.54, 19,638.53 and 5,300.96

Step by Step Solution

1. Step 1: Write the proportion equation
   13,091.54 : 19,638.53 = 5,300.96 : x
2. Step 2: Convert to fraction form
   13,091.54/19,638.53 = 5,300.96/x
3. Step 3: Cross multiply
   13,091.54x = 19,638.53 × 5,300.96
4. Step 4: Simplify right side
   13,091.54x = 104,103,035.48
5. Step 5: Solve for x
   x = 104,103,035.48/13,091.54
6. Step 6: Final answer
   x = 7,951.93