Finding the Fourth Proportional to 1,374.63, 1,896.36 and 955.98

Step by Step Solution

1. Step 1: Write the proportion equation
   1,374.63 : 1,896.36 = 955.98 : x
2. Step 2: Convert to fraction form
   1,374.63/1,896.36 = 955.98/x
3. Step 3: Cross multiply
   1,374.63x = 1,896.36 × 955.98
4. Step 4: Simplify right side
   1,374.63x = 1,812,882.23
5. Step 5: Solve for x
   x = 1,812,882.23/1,374.63
6. Step 6: Final answer
   x = 1,318.81