Finding the Fourth Proportional to 12,404.90, 18,608.52 and 4,084.98

Step by Step Solution

1. Step 1: Write the proportion equation
   12,404.90 : 18,608.52 = 4,084.98 : x
2. Step 2: Convert to fraction form
   12,404.90/18,608.52 = 4,084.98/x
3. Step 3: Cross multiply
   12,404.90x = 18,608.52 × 4,084.98
4. Step 4: Simplify right side
   12,404.90x = 76,015,432.03
5. Step 5: Solve for x
   x = 76,015,432.03/12,404.90
6. Step 6: Final answer
   x = 6,127.86