Finding the Fourth Proportional to 9,591.96, 13,236.57 and 5,342.88

Step by Step Solution

1. Step 1: Write the proportion equation
   9,591.96 : 13,236.57 = 5,342.88 : x
2. Step 2: Convert to fraction form
   9,591.96/13,236.57 = 5,342.88/x
3. Step 3: Cross multiply
   9,591.96x = 13,236.57 × 5,342.88
4. Step 4: Simplify right side
   9,591.96x = 70,721,405.12
5. Step 5: Solve for x
   x = 70,721,405.12/9,591.96
6. Step 6: Final answer
   x = 7,372.99