Finding the Fourth Proportional to 10,095.56, 13,931.73 and 5,619.31

Step by Step Solution

1. Step 1: Write the proportion equation
   10,095.56 : 13,931.73 = 5,619.31 : x
2. Step 2: Convert to fraction form
   10,095.56/13,931.73 = 5,619.31/x
3. Step 3: Cross multiply
   10,095.56x = 13,931.73 × 5,619.31
4. Step 4: Simplify right side
   10,095.56x = 78,286,709.71
5. Step 5: Solve for x
   x = 78,286,709.71/10,095.56
6. Step 6: Final answer
   x = 7,754.57