Finding the Fourth Proportional to 9,997.02, 14,985.50 and 3,418.71

Step by Step Solution

1. Step 1: Write the proportion equation
   9,997.02 : 14,985.50 = 3,418.71 : x
2. Step 2: Convert to fraction form
   9,997.02/14,985.50 = 3,418.71/x
3. Step 3: Cross multiply
   9,997.02x = 14,985.50 × 3,418.71
4. Step 4: Simplify right side
   9,997.02x = 51,230,986.68
5. Step 5: Solve for x
   x = 51,230,986.68/9,997.02
6. Step 6: Final answer
   x = 5,124.63