Finding the Fourth Proportional to 6,012.71, 9,018.72 and 2,116.79

Step by Step Solution

1. Step 1: Write the proportion equation
   6,012.71 : 9,018.72 = 2,116.79 : x
2. Step 2: Convert to fraction form
   6,012.71/9,018.72 = 2,116.79/x
3. Step 3: Cross multiply
   6,012.71x = 9,018.72 × 2,116.79
4. Step 4: Simplify right side
   6,012.71x = 19,090,691.22
5. Step 5: Solve for x
   x = 19,090,691.22/6,012.71
6. Step 6: Final answer
   x = 3,175.06