Finding the Fourth Proportional to 13,063.57, 19,581.93 and 5,162.87

Step by Step Solution

1. Step 1: Write the proportion equation
   13,063.57 : 19,581.93 = 5,162.87 : x
2. Step 2: Convert to fraction form
   13,063.57/19,581.93 = 5,162.87/x
3. Step 3: Cross multiply
   13,063.57x = 19,581.93 × 5,162.87
4. Step 4: Simplify right side
   13,063.57x = 101,099,007.89
5. Step 5: Solve for x
   x = 101,099,007.89/13,063.57
6. Step 6: Final answer
   x = 7,739.00