Finding the Fourth Proportional to 2,261.89, 3,396.69 and 1,472.60

Step by Step Solution

1. Step 1: Write the proportion equation
   2,261.89 : 3,396.69 = 1,472.60 : x
2. Step 2: Convert to fraction form
   2,261.89/3,396.69 = 1,472.60/x
3. Step 3: Cross multiply
   2,261.89x = 3,396.69 × 1,472.60
4. Step 4: Simplify right side
   2,261.89x = 5,001,959.22
5. Step 5: Solve for x
   x = 5,001,959.22/2,261.89
6. Step 6: Final answer
   x = 2,211.40