Finding the Fourth Proportional to 2,996.82, 4,136.13 and 1,878.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,996.82 : 4,136.13 = 1,878.72 : x
2. Step 2: Convert to fraction form
   2,996.82/4,136.13 = 1,878.72/x
3. Step 3: Cross multiply
   2,996.82x = 4,136.13 × 1,878.72
4. Step 4: Simplify right side
   2,996.82x = 7,770,630.15
5. Step 5: Solve for x
   x = 7,770,630.15/2,996.82
6. Step 6: Final answer
   x = 2,592.96