Finding the Fourth Proportional to 2,649.56, 3,971.32 and 1,260.93

Step by Step Solution

1. Step 1: Write the proportion equation
   2,649.56 : 3,971.32 = 1,260.93 : x
2. Step 2: Convert to fraction form
   2,649.56/3,971.32 = 1,260.93/x
3. Step 3: Cross multiply
   2,649.56x = 3,971.32 × 1,260.93
4. Step 4: Simplify right side
   2,649.56x = 5,007,556.53
5. Step 5: Solve for x
   x = 5,007,556.53/2,649.56
6. Step 6: Final answer
   x = 1,889.96