Finding the Fourth Proportional to 948.56, 1,423.59 and 401.12

Step by Step Solution

1. Step 1: Write the proportion equation
   948.56 : 1,423.59 = 401.12 : x
2. Step 2: Convert to fraction form
   948.56/1,423.59 = 401.12/x
3. Step 3: Cross multiply
   948.56x = 1,423.59 × 401.12
4. Step 4: Simplify right side
   948.56x = 571,030.42
5. Step 5: Solve for x
   x = 571,030.42/948.56
6. Step 6: Final answer
   x = 602.00