Finding the Fourth Proportional to 1,418.37, 1,956.47 and 975.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,418.37 : 1,956.47 = 975.50 : x
2. Step 2: Convert to fraction form
   1,418.37/1,956.47 = 975.50/x
3. Step 3: Cross multiply
   1,418.37x = 1,956.47 × 975.50
4. Step 4: Simplify right side
   1,418.37x = 1,908,536.49
5. Step 5: Solve for x
   x = 1,908,536.49/1,418.37
6. Step 6: Final answer
   x = 1,345.58