Finding the Fourth Proportional to 1,769.58, 2,442.15 and 1,023.57

Step by Step Solution

1. Step 1: Write the proportion equation
   1,769.58 : 2,442.15 = 1,023.57 : x
2. Step 2: Convert to fraction form
   1,769.58/2,442.15 = 1,023.57/x
3. Step 3: Cross multiply
   1,769.58x = 2,442.15 × 1,023.57
4. Step 4: Simplify right side
   1,769.58x = 2,499,711.48
5. Step 5: Solve for x
   x = 2,499,711.48/1,769.58
6. Step 6: Final answer
   x = 1,412.60