Finding the Fourth Proportional to 1,568.82, 2,164 and 1,010.02

Step by Step Solution

1. Step 1: Write the proportion equation
   1,568.82 : 2,164 = 1,010.02 : x
2. Step 2: Convert to fraction form
   1,568.82/2,164 = 1,010.02/x
3. Step 3: Cross multiply
   1,568.82x = 2,164 × 1,010.02
4. Step 4: Simplify right side
   1,568.82x = 2,185,683.28
5. Step 5: Solve for x
   x = 2,185,683.28/1,568.82
6. Step 6: Final answer
   x = 1,393.20