Finding the Fourth Proportional to 10,097.72, 13,934.44 and 5,621.35

Step by Step Solution

1. Step 1: Write the proportion equation
   10,097.72 : 13,934.44 = 5,621.35 : x
2. Step 2: Convert to fraction form
   10,097.72/13,934.44 = 5,621.35/x
3. Step 3: Cross multiply
   10,097.72x = 13,934.44 × 5,621.35
4. Step 4: Simplify right side
   10,097.72x = 78,330,364.29
5. Step 5: Solve for x
   x = 78,330,364.29/10,097.72
6. Step 6: Final answer
   x = 7,757.23