Finding the Fourth Proportional to 2,611.02, 3,915.56 and 1,830.62

Step by Step Solution

1. Step 1: Write the proportion equation
   2,611.02 : 3,915.56 = 1,830.62 : x
2. Step 2: Convert to fraction form
   2,611.02/3,915.56 = 1,830.62/x
3. Step 3: Cross multiply
   2,611.02x = 3,915.56 × 1,830.62
4. Step 4: Simplify right side
   2,611.02x = 7,167,902.45
5. Step 5: Solve for x
   x = 7,167,902.45/2,611.02
6. Step 6: Final answer
   x = 2,745.25