Finding the Fourth Proportional to 1,156.62, 1,595.23 and 1,023.99

Step by Step Solution

1. Step 1: Write the proportion equation
   1,156.62 : 1,595.23 = 1,023.99 : x
2. Step 2: Convert to fraction form
   1,156.62/1,595.23 = 1,023.99/x
3. Step 3: Cross multiply
   1,156.62x = 1,595.23 × 1,023.99
4. Step 4: Simplify right side
   1,156.62x = 1,633,499.57
5. Step 5: Solve for x
   x = 1,633,499.57/1,156.62
6. Step 6: Final answer
   x = 1,412.30