Finding the Fourth Proportional to 12,300.63, 18,451.01 and 3,066.63

Step by Step Solution

1. Step 1: Write the proportion equation
   12,300.63 : 18,451.01 = 3,066.63 : x
2. Step 2: Convert to fraction form
   12,300.63/18,451.01 = 3,066.63/x
3. Step 3: Cross multiply
   12,300.63x = 18,451.01 × 3,066.63
4. Step 4: Simplify right side
   12,300.63x = 56,582,420.80
5. Step 5: Solve for x
   x = 56,582,420.80/12,300.63
6. Step 6: Final answer
   x = 4,599.96