Finding the Fourth Proportional to 7,086.72, 10,633.74 and 3,190.32

Step by Step Solution

1. Step 1: Write the proportion equation
   7,086.72 : 10,633.74 = 3,190.32 : x
2. Step 2: Convert to fraction form
   7,086.72/10,633.74 = 3,190.32/x
3. Step 3: Cross multiply
   7,086.72x = 10,633.74 × 3,190.32
4. Step 4: Simplify right side
   7,086.72x = 33,925,033.40
5. Step 5: Solve for x
   x = 33,925,033.40/7,086.72
6. Step 6: Final answer
   x = 4,787.13