Finding the Fourth Proportional to 2,116.88, 3,171.60 and 2,036.96

Step by Step Solution

1. Step 1: Write the proportion equation
   2,116.88 : 3,171.60 = 2,036.96 : x
2. Step 2: Convert to fraction form
   2,116.88/3,171.60 = 2,036.96/x
3. Step 3: Cross multiply
   2,116.88x = 3,171.60 × 2,036.96
4. Step 4: Simplify right side
   2,116.88x = 6,460,422.34
5. Step 5: Solve for x
   x = 6,460,422.34/2,116.88
6. Step 6: Final answer
   x = 3,051.86