Finding the Fourth Proportional to 1,168.72, 1,753.69 and 475.90

Step by Step Solution

1. Step 1: Write the proportion equation
   1,168.72 : 1,753.69 = 475.90 : x
2. Step 2: Convert to fraction form
   1,168.72/1,753.69 = 475.90/x
3. Step 3: Cross multiply
   1,168.72x = 1,753.69 × 475.90
4. Step 4: Simplify right side
   1,168.72x = 834,575.50
5. Step 5: Solve for x
   x = 834,575.50/1,168.72
6. Step 6: Final answer
   x = 714.10