Finding the Fourth Proportional to 12,076.64, 18,113.52 and 3,312.24

Step by Step Solution

1. Step 1: Write the proportion equation
   12,076.64 : 18,113.52 = 3,312.24 : x
2. Step 2: Convert to fraction form
   12,076.64/18,113.52 = 3,312.24/x
3. Step 3: Cross multiply
   12,076.64x = 18,113.52 × 3,312.24
4. Step 4: Simplify right side
   12,076.64x = 59,996,371.87
5. Step 5: Solve for x
   x = 59,996,371.87/12,076.64
6. Step 6: Final answer
   x = 4,967.97