Finding the Fourth Proportional to 2,474.30, 3,711.70 and 914.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,474.30 : 3,711.70 = 914.72 : x
2. Step 2: Convert to fraction form
   2,474.30/3,711.70 = 914.72/x
3. Step 3: Cross multiply
   2,474.30x = 3,711.70 × 914.72
4. Step 4: Simplify right side
   2,474.30x = 3,395,166.22
5. Step 5: Solve for x
   x = 3,395,166.22/2,474.30
6. Step 6: Final answer
   x = 1,372.17