Finding the Fourth Proportional to 2,354.63, 3,532.77 and 873.86

Step by Step Solution

1. Step 1: Write the proportion equation
   2,354.63 : 3,532.77 = 873.86 : x
2. Step 2: Convert to fraction form
   2,354.63/3,532.77 = 873.86/x
3. Step 3: Cross multiply
   2,354.63x = 3,532.77 × 873.86
4. Step 4: Simplify right side
   2,354.63x = 3,087,128.73
5. Step 5: Solve for x
   x = 3,087,128.73/2,354.63
6. Step 6: Final answer
   x = 1,311.09