Finding the Fourth Proportional to 9,581.82, 14,374.89 and 2,918.91

Step by Step Solution

1. Step 1: Write the proportion equation
   9,581.82 : 14,374.89 = 2,918.91 : x
2. Step 2: Convert to fraction form
   9,581.82/14,374.89 = 2,918.91/x
3. Step 3: Cross multiply
   9,581.82x = 14,374.89 × 2,918.91
4. Step 4: Simplify right side
   9,581.82x = 41,959,010.17
5. Step 5: Solve for x
   x = 41,959,010.17/9,581.82
6. Step 6: Final answer
   x = 4,379.02