Finding the Fourth Proportional to 1,414.98, 1,953.57 and 911.06

Step by Step Solution

1. Step 1: Write the proportion equation
   1,414.98 : 1,953.57 = 911.06 : x
2. Step 2: Convert to fraction form
   1,414.98/1,953.57 = 911.06/x
3. Step 3: Cross multiply
   1,414.98x = 1,953.57 × 911.06
4. Step 4: Simplify right side
   1,414.98x = 1,779,813.13
5. Step 5: Solve for x
   x = 1,779,813.13/1,414.98
6. Step 6: Final answer
   x = 1,257.84