Finding the Fourth Proportional to 8,958.16, 12,368.42 and 5,602.60

Step by Step Solution

1. Step 1: Write the proportion equation
   8,958.16 : 12,368.42 = 5,602.60 : x
2. Step 2: Convert to fraction form
   8,958.16/12,368.42 = 5,602.60/x
3. Step 3: Cross multiply
   8,958.16x = 12,368.42 × 5,602.60
4. Step 4: Simplify right side
   8,958.16x = 69,295,309.89
5. Step 5: Solve for x
   x = 69,295,309.89/8,958.16
6. Step 6: Final answer
   x = 7,735.44