Finding the Fourth Proportional to 9,535.44, 13,158.72 and 5,343.60

Step by Step Solution

1. Step 1: Write the proportion equation
   9,535.44 : 13,158.72 = 5,343.60 : x
2. Step 2: Convert to fraction form
   9,535.44/13,158.72 = 5,343.60/x
3. Step 3: Cross multiply
   9,535.44x = 13,158.72 × 5,343.60
4. Step 4: Simplify right side
   9,535.44x = 70,314,936.19
5. Step 5: Solve for x
   x = 70,314,936.19/9,535.44
6. Step 6: Final answer
   x = 7,374.06