Finding the Fourth Proportional to 1,704.72, 2,354.48 and 1,117.87

Step by Step Solution

1. Step 1: Write the proportion equation
   1,704.72 : 2,354.48 = 1,117.87 : x
2. Step 2: Convert to fraction form
   1,704.72/2,354.48 = 1,117.87/x
3. Step 3: Cross multiply
   1,704.72x = 2,354.48 × 1,117.87
4. Step 4: Simplify right side
   1,704.72x = 2,632,002.56
5. Step 5: Solve for x
   x = 2,632,002.56/1,704.72
6. Step 6: Final answer
   x = 1,543.95