Finding the Fourth Proportional to 9,815.58, 13,536.24 and 7,573.92

Step by Step Solution

1. Step 1: Write the proportion equation
   9,815.58 : 13,536.24 = 7,573.92 : x
2. Step 2: Convert to fraction form
   9,815.58/13,536.24 = 7,573.92/x
3. Step 3: Cross multiply
   9,815.58x = 13,536.24 × 7,573.92
4. Step 4: Simplify right side
   9,815.58x = 102,522,398.86
5. Step 5: Solve for x
   x = 102,522,398.86/9,815.58
6. Step 6: Final answer
   x = 10,444.86