Finding the Fourth Proportional to 1,749.48, 2,621.79 and 882.78

Step by Step Solution

1. Step 1: Write the proportion equation
   1,749.48 : 2,621.79 = 882.78 : x
2. Step 2: Convert to fraction form
   1,749.48/2,621.79 = 882.78/x
3. Step 3: Cross multiply
   1,749.48x = 2,621.79 × 882.78
4. Step 4: Simplify right side
   1,749.48x = 2,314,463.78
5. Step 5: Solve for x
   x = 2,314,463.78/1,749.48
6. Step 6: Final answer
   x = 1,322.94