Finding the Fourth Proportional to 1,094.88, 1,642.38 and 401.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,094.88 : 1,642.38 = 401.52 : x
2. Step 2: Convert to fraction form
   1,094.88/1,642.38 = 401.52/x
3. Step 3: Cross multiply
   1,094.88x = 1,642.38 × 401.52
4. Step 4: Simplify right side
   1,094.88x = 659,448.42
5. Step 5: Solve for x
   x = 659,448.42/1,094.88
6. Step 6: Final answer
   x = 602.30