Finding the Fourth Proportional to 10,097.21, 13,934.25 and 5,620.88

Step by Step Solution

1. Step 1: Write the proportion equation
   10,097.21 : 13,934.25 = 5,620.88 : x
2. Step 2: Convert to fraction form
   10,097.21/13,934.25 = 5,620.88/x
3. Step 3: Cross multiply
   10,097.21x = 13,934.25 × 5,620.88
4. Step 4: Simplify right side
   10,097.21x = 78,322,677.47
5. Step 5: Solve for x
   x = 78,322,677.47/10,097.21
6. Step 6: Final answer
   x = 7,756.87