Finding the Fourth Proportional to 2,141.26, 3,196.27 and 1,985.02

Step by Step Solution

1. Step 1: Write the proportion equation
   2,141.26 : 3,196.27 = 1,985.02 : x
2. Step 2: Convert to fraction form
   2,141.26/3,196.27 = 1,985.02/x
3. Step 3: Cross multiply
   2,141.26x = 3,196.27 × 1,985.02
4. Step 4: Simplify right side
   2,141.26x = 6,344,649.95
5. Step 5: Solve for x
   x = 6,344,649.95/2,141.26
6. Step 6: Final answer
   x = 2,963.05