Finding the Fourth Proportional to 2,131.68, 3,193.76 and 975.04

Step by Step Solution

1. Step 1: Write the proportion equation
   2,131.68 : 3,193.76 = 975.04 : x
2. Step 2: Convert to fraction form
   2,131.68/3,193.76 = 975.04/x
3. Step 3: Cross multiply
   2,131.68x = 3,193.76 × 975.04
4. Step 4: Simplify right side
   2,131.68x = 3,114,043.75
5. Step 5: Solve for x
   x = 3,114,043.75/2,131.68
6. Step 6: Final answer
   x = 1,460.84