Finding the Fourth Proportional to 9,835.61, 13,573.49 and 5,359.73

Step by Step Solution

1. Step 1: Write the proportion equation
   9,835.61 : 13,573.49 = 5,359.73 : x
2. Step 2: Convert to fraction form
   9,835.61/13,573.49 = 5,359.73/x
3. Step 3: Cross multiply
   9,835.61x = 13,573.49 × 5,359.73
4. Step 4: Simplify right side
   9,835.61x = 72,750,214.76
5. Step 5: Solve for x
   x = 72,750,214.76/9,835.61
6. Step 6: Final answer
   x = 7,396.61