Finding the Fourth Proportional to 9,815.71, 13,536.24 and 7,453.75

Step by Step Solution

1. Step 1: Write the proportion equation
   9,815.71 : 13,536.24 = 7,453.75 : x
2. Step 2: Convert to fraction form
   9,815.71/13,536.24 = 7,453.75/x
3. Step 3: Cross multiply
   9,815.71x = 13,536.24 × 7,453.75
4. Step 4: Simplify right side
   9,815.71x = 100,895,748.90
5. Step 5: Solve for x
   x = 100,895,748.90/9,815.71
6. Step 6: Final answer
   x = 10,279.01