Finding the Fourth Proportional to 1,863.59, 2,572.89 and 1,234.67

Step by Step Solution

1. Step 1: Write the proportion equation
   1,863.59 : 2,572.89 = 1,234.67 : x
2. Step 2: Convert to fraction form
   1,863.59/2,572.89 = 1,234.67/x
3. Step 3: Cross multiply
   1,863.59x = 2,572.89 × 1,234.67
4. Step 4: Simplify right side
   1,863.59x = 3,176,657.23
5. Step 5: Solve for x
   x = 3,176,657.23/1,863.59
6. Step 6: Final answer
   x = 1,704.59