Finding the Fourth Proportional to 1,569.80, 2,164.82 and 1,010.43

Step by Step Solution

1. Step 1: Write the proportion equation
   1,569.80 : 2,164.82 = 1,010.43 : x
2. Step 2: Convert to fraction form
   1,569.80/2,164.82 = 1,010.43/x
3. Step 3: Cross multiply
   1,569.80x = 2,164.82 × 1,010.43
4. Step 4: Simplify right side
   1,569.80x = 2,187,394.02
5. Step 5: Solve for x
   x = 2,187,394.02/1,569.80
6. Step 6: Final answer
   x = 1,393.42