Finding the Fourth Proportional to 9,491.78, 14,237.89 and 2,918.02

Step by Step Solution

1. Step 1: Write the proportion equation
   9,491.78 : 14,237.89 = 2,918.02 : x
2. Step 2: Convert to fraction form
   9,491.78/14,237.89 = 2,918.02/x
3. Step 3: Cross multiply
   9,491.78x = 14,237.89 × 2,918.02
4. Step 4: Simplify right side
   9,491.78x = 41,546,404.89
5. Step 5: Solve for x
   x = 41,546,404.89/9,491.78
6. Step 6: Final answer
   x = 4,377.10