Finding the Fourth Proportional to 12,384.71, 18,577 and 3,024.78

Step by Step Solution

1. Step 1: Write the proportion equation
   12,384.71 : 18,577 = 3,024.78 : x
2. Step 2: Convert to fraction form
   12,384.71/18,577 = 3,024.78/x
3. Step 3: Cross multiply
   12,384.71x = 18,577 × 3,024.78
4. Step 4: Simplify right side
   12,384.71x = 56,191,338.06
5. Step 5: Solve for x
   x = 56,191,338.06/12,384.71
6. Step 6: Final answer
   x = 4,537.15