Finding the Fourth Proportional to 1,407.29, 1,941.86 and 883.49

Step by Step Solution

1. Step 1: Write the proportion equation
   1,407.29 : 1,941.86 = 883.49 : x
2. Step 2: Convert to fraction form
   1,407.29/1,941.86 = 883.49/x
3. Step 3: Cross multiply
   1,407.29x = 1,941.86 × 883.49
4. Step 4: Simplify right side
   1,407.29x = 1,715,609.47
5. Step 5: Solve for x
   x = 1,715,609.47/1,407.29
6. Step 6: Final answer
   x = 1,219.09