Finding the Fourth Proportional to 2,131.18, 3,195.69 and 975.94

Step by Step Solution

1. Step 1: Write the proportion equation
   2,131.18 : 3,195.69 = 975.94 : x
2. Step 2: Convert to fraction form
   2,131.18/3,195.69 = 975.94/x
3. Step 3: Cross multiply
   2,131.18x = 3,195.69 × 975.94
4. Step 4: Simplify right side
   2,131.18x = 3,118,796.82
5. Step 5: Solve for x
   x = 3,118,796.82/2,131.18
6. Step 6: Final answer
   x = 1,463.41