Finding the Fourth Proportional to 13,062.62, 19,580.52 and 5,161.94

Step by Step Solution

1. Step 1: Write the proportion equation
   13,062.62 : 19,580.52 = 5,161.94 : x
2. Step 2: Convert to fraction form
   13,062.62/19,580.52 = 5,161.94/x
3. Step 3: Cross multiply
   13,062.62x = 19,580.52 × 5,161.94
4. Step 4: Simplify right side
   13,062.62x = 101,073,390.86
5. Step 5: Solve for x
   x = 101,073,390.86/13,062.62
6. Step 6: Final answer
   x = 7,737.61