Finding the Fourth Proportional to 2,953.32, 4,071.50 and 2,112.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,953.32 : 4,071.50 = 2,112.56 : x
2. Step 2: Convert to fraction form
   2,953.32/4,071.50 = 2,112.56/x
3. Step 3: Cross multiply
   2,953.32x = 4,071.50 × 2,112.56
4. Step 4: Simplify right side
   2,953.32x = 8,601,288.04
5. Step 5: Solve for x
   x = 8,601,288.04/2,953.32
6. Step 6: Final answer
   x = 2,912.41