Finding the Fourth Proportional to 8,997.98, 13,496.34 and 3,155

Step by Step Solution

1. Step 1: Write the proportion equation
   8,997.98 : 13,496.34 = 3,155 : x
2. Step 2: Convert to fraction form
   8,997.98/13,496.34 = 3,155/x
3. Step 3: Cross multiply
   8,997.98x = 13,496.34 × 3,155
4. Step 4: Simplify right side
   8,997.98x = 42,580,952.70
5. Step 5: Solve for x
   x = 42,580,952.70/8,997.98
6. Step 6: Final answer
   x = 4,732.28