Finding the Fourth Proportional to 1,574.70, 2,169.33 and 1,101.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,574.70 : 2,169.33 = 1,101.72 : x
2. Step 2: Convert to fraction form
   1,574.70/2,169.33 = 1,101.72/x
3. Step 3: Cross multiply
   1,574.70x = 2,169.33 × 1,101.72
4. Step 4: Simplify right side
   1,574.70x = 2,389,994.25
5. Step 5: Solve for x
   x = 2,389,994.25/1,574.70
6. Step 6: Final answer
   x = 1,517.75