Finding the Fourth Proportional to 9,835.71, 13,573.61 and 5,359.58

Step by Step Solution

1. Step 1: Write the proportion equation
   9,835.71 : 13,573.61 = 5,359.58 : x
2. Step 2: Convert to fraction form
   9,835.71/13,573.61 = 5,359.58/x
3. Step 3: Cross multiply
   9,835.71x = 13,573.61 × 5,359.58
4. Step 4: Simplify right side
   9,835.71x = 72,748,848.68
5. Step 5: Solve for x
   x = 72,748,848.68/9,835.71
6. Step 6: Final answer
   x = 7,396.40