Finding the Fourth Proportional to 2,141.56, 2,955.41 and 1,197.31

Step by Step Solution

1. Step 1: Write the proportion equation
   2,141.56 : 2,955.41 = 1,197.31 : x
2. Step 2: Convert to fraction form
   2,141.56/2,955.41 = 1,197.31/x
3. Step 3: Cross multiply
   2,141.56x = 2,955.41 × 1,197.31
4. Step 4: Simplify right side
   2,141.56x = 3,538,541.95
5. Step 5: Solve for x
   x = 3,538,541.95/2,141.56
6. Step 6: Final answer
   x = 1,652.32