Finding the Fourth Proportional to 2,947.32, 4,422.74 and 1,193.18

Step by Step Solution

1. Step 1: Write the proportion equation
   2,947.32 : 4,422.74 = 1,193.18 : x
2. Step 2: Convert to fraction form
   2,947.32/4,422.74 = 1,193.18/x
3. Step 3: Cross multiply
   2,947.32x = 4,422.74 × 1,193.18
4. Step 4: Simplify right side
   2,947.32x = 5,277,096.83
5. Step 5: Solve for x
   x = 5,277,096.83/2,947.32
6. Step 6: Final answer
   x = 1,790.47