Finding the Fourth Proportional to 1,331.71, 1,837.86 and 882.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,331.71 : 1,837.86 = 882.82 : x
2. Step 2: Convert to fraction form
   1,331.71/1,837.86 = 882.82/x
3. Step 3: Cross multiply
   1,331.71x = 1,837.86 × 882.82
4. Step 4: Simplify right side
   1,331.71x = 1,622,499.57
5. Step 5: Solve for x
   x = 1,622,499.57/1,331.71
6. Step 6: Final answer
   x = 1,218.36