Finding the Fourth Proportional to 9,076.84, 13,612.02 and 3,152.20

Step by Step Solution

1. Step 1: Write the proportion equation
   9,076.84 : 13,612.02 = 3,152.20 : x
2. Step 2: Convert to fraction form
   9,076.84/13,612.02 = 3,152.20/x
3. Step 3: Cross multiply
   9,076.84x = 13,612.02 × 3,152.20
4. Step 4: Simplify right side
   9,076.84x = 42,907,809.44
5. Step 5: Solve for x
   x = 42,907,809.44/9,076.84
6. Step 6: Final answer
   x = 4,727.17