Finding the Fourth Proportional to 2,314.72, 3,472.58 and 853.88

Step by Step Solution

1. Step 1: Write the proportion equation
   2,314.72 : 3,472.58 = 853.88 : x
2. Step 2: Convert to fraction form
   2,314.72/3,472.58 = 853.88/x
3. Step 3: Cross multiply
   2,314.72x = 3,472.58 × 853.88
4. Step 4: Simplify right side
   2,314.72x = 2,965,166.61
5. Step 5: Solve for x
   x = 2,965,166.61/2,314.72
6. Step 6: Final answer
   x = 1,281.00