Finding the Fourth Proportional to 1,401.14, 2,100.72 and 476.48

Step by Step Solution

1. Step 1: Write the proportion equation
   1,401.14 : 2,100.72 = 476.48 : x
2. Step 2: Convert to fraction form
   1,401.14/2,100.72 = 476.48/x
3. Step 3: Cross multiply
   1,401.14x = 2,100.72 × 476.48
4. Step 4: Simplify right side
   1,401.14x = 1,000,951.07
5. Step 5: Solve for x
   x = 1,000,951.07/1,401.14
6. Step 6: Final answer
   x = 714.38