Finding the Fourth Proportional to 9,366.96, 12,926.34 and 5,388.84

Step by Step Solution

1. Step 1: Write the proportion equation
   9,366.96 : 12,926.34 = 5,388.84 : x
2. Step 2: Convert to fraction form
   9,366.96/12,926.34 = 5,388.84/x
3. Step 3: Cross multiply
   9,366.96x = 12,926.34 × 5,388.84
4. Step 4: Simplify right side
   9,366.96x = 69,657,978.05
5. Step 5: Solve for x
   x = 69,657,978.05/9,366.96
6. Step 6: Final answer
   x = 7,436.56