Finding the Fourth Proportional to 9,683.32, 13,362.78 and 5,434.60

Step by Step Solution

1. Step 1: Write the proportion equation
   9,683.32 : 13,362.78 = 5,434.60 : x
2. Step 2: Convert to fraction form
   9,683.32/13,362.78 = 5,434.60/x
3. Step 3: Cross multiply
   9,683.32x = 13,362.78 × 5,434.60
4. Step 4: Simplify right side
   9,683.32x = 72,621,364.19
5. Step 5: Solve for x
   x = 72,621,364.19/9,683.32
6. Step 6: Final answer
   x = 7,499.63