Finding the Fourth Proportional to 2,706.49, 4,056.60 and 1,225.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,706.49 : 4,056.60 = 1,225.42 : x
2. Step 2: Convert to fraction form
   2,706.49/4,056.60 = 1,225.42/x
3. Step 3: Cross multiply
   2,706.49x = 4,056.60 × 1,225.42
4. Step 4: Simplify right side
   2,706.49x = 4,971,038.77
5. Step 5: Solve for x
   x = 4,971,038.77/2,706.49
6. Step 6: Final answer
   x = 1,836.71