Finding the Fourth Proportional to 1,354.42, 2,031.72 and 476.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,354.42 : 2,031.72 = 476.82 : x
2. Step 2: Convert to fraction form
   1,354.42/2,031.72 = 476.82/x
3. Step 3: Cross multiply
   1,354.42x = 2,031.72 × 476.82
4. Step 4: Simplify right side
   1,354.42x = 968,764.73
5. Step 5: Solve for x
   x = 968,764.73/1,354.42
6. Step 6: Final answer
   x = 715.26