Finding the Fourth Proportional to 8,997.89, 12,418.40 and 5,818.62

Step by Step Solution

1. Step 1: Write the proportion equation
   8,997.89 : 12,418.40 = 5,818.62 : x
2. Step 2: Convert to fraction form
   8,997.89/12,418.40 = 5,818.62/x
3. Step 3: Cross multiply
   8,997.89x = 12,418.40 × 5,818.62
4. Step 4: Simplify right side
   8,997.89x = 72,257,950.61
5. Step 5: Solve for x
   x = 72,257,950.61/8,997.89
6. Step 6: Final answer
   x = 8,030.55