Finding the Fourth Proportional to 10,095.72, 13,931.69 and 5,619.35

Step by Step Solution

1. Step 1: Write the proportion equation
   10,095.72 : 13,931.69 = 5,619.35 : x
2. Step 2: Convert to fraction form
   10,095.72/13,931.69 = 5,619.35/x
3. Step 3: Cross multiply
   10,095.72x = 13,931.69 × 5,619.35
4. Step 4: Simplify right side
   10,095.72x = 78,286,944.45
5. Step 5: Solve for x
   x = 78,286,944.45/10,095.72
6. Step 6: Final answer
   x = 7,754.47