Finding the Fourth Proportional to 1,154.02, 1,730.00 and 423.42

Step by Step Solution

1. Step 1: Write the proportion equation
   1,154.02 : 1,730.00 = 423.42 : x
2. Step 2: Convert to fraction form
   1,154.02/1,730.00 = 423.42/x
3. Step 3: Cross multiply
   1,154.02x = 1,730.00 × 423.42
4. Step 4: Simplify right side
   1,154.02x = 732,514.48
5. Step 5: Solve for x
   x = 732,514.48/1,154.02
6. Step 6: Final answer
   x = 634.75