Finding the Fourth Proportional to 10,097.54, 13,935.12 and 5,621.38

Step by Step Solution

1. Step 1: Write the proportion equation
   10,097.54 : 13,935.12 = 5,621.38 : x
2. Step 2: Convert to fraction form
   10,097.54/13,935.12 = 5,621.38/x
3. Step 3: Cross multiply
   10,097.54x = 13,935.12 × 5,621.38
4. Step 4: Simplify right side
   10,097.54x = 78,334,604.87
5. Step 5: Solve for x
   x = 78,334,604.87/10,097.54
6. Step 6: Final answer
   x = 7,757.79