Finding the Fourth Proportional to 3,706.76, 5,557.98 and 1,397

Step by Step Solution

1. Step 1: Write the proportion equation
   3,706.76 : 5,557.98 = 1,397 : x
2. Step 2: Convert to fraction form
   3,706.76/5,557.98 = 1,397/x
3. Step 3: Cross multiply
   3,706.76x = 5,557.98 × 1,397
4. Step 4: Simplify right side
   3,706.76x = 7,764,498.06
5. Step 5: Solve for x
   x = 7,764,498.06/3,706.76
6. Step 6: Final answer
   x = 2,094.69