Finding the Fourth Proportional to 7,084.88, 10,620.52 and 3,386.12

Step by Step Solution

1. Step 1: Write the proportion equation
   7,084.88 : 10,620.52 = 3,386.12 : x
2. Step 2: Convert to fraction form
   7,084.88/10,620.52 = 3,386.12/x
3. Step 3: Cross multiply
   7,084.88x = 10,620.52 × 3,386.12
4. Step 4: Simplify right side
   7,084.88x = 35,962,355.18
5. Step 5: Solve for x
   x = 35,962,355.18/7,084.88
6. Step 6: Final answer
   x = 5,075.93