Finding the Fourth Proportional to 3,611.56, 5,407.56 and 1,876.54

Step by Step Solution

1. Step 1: Write the proportion equation
   3,611.56 : 5,407.56 = 1,876.54 : x
2. Step 2: Convert to fraction form
   3,611.56/5,407.56 = 1,876.54/x
3. Step 3: Cross multiply
   3,611.56x = 5,407.56 × 1,876.54
4. Step 4: Simplify right side
   3,611.56x = 10,147,499.26
5. Step 5: Solve for x
   x = 10,147,499.26/3,611.56
6. Step 6: Final answer
   x = 2,809.73