Finding the Fourth Proportional to 2,010.24, 3,012.66 and 1,316.61

Step by Step Solution

1. Step 1: Write the proportion equation
   2,010.24 : 3,012.66 = 1,316.61 : x
2. Step 2: Convert to fraction form
   2,010.24/3,012.66 = 1,316.61/x
3. Step 3: Cross multiply
   2,010.24x = 3,012.66 × 1,316.61
4. Step 4: Simplify right side
   2,010.24x = 3,966,498.28
5. Step 5: Solve for x
   x = 3,966,498.28/2,010.24
6. Step 6: Final answer
   x = 1,973.15