Finding the Fourth Proportional to 9,736.76, 13,436.72 and 5,320.76

Step by Step Solution

1. Step 1: Write the proportion equation
   9,736.76 : 13,436.72 = 5,320.76 : x
2. Step 2: Convert to fraction form
   9,736.76/13,436.72 = 5,320.76/x
3. Step 3: Cross multiply
   9,736.76x = 13,436.72 × 5,320.76
4. Step 4: Simplify right side
   9,736.76x = 71,493,562.31
5. Step 5: Solve for x
   x = 71,493,562.31/9,736.76
6. Step 6: Final answer
   x = 7,342.64