Finding the Fourth Proportional to 11,947.01, 17,921.32 and 3,182.00

Step by Step Solution

1. Step 1: Write the proportion equation
   11,947.01 : 17,921.32 = 3,182.00 : x
2. Step 2: Convert to fraction form
   11,947.01/17,921.32 = 3,182.00/x
3. Step 3: Cross multiply
   11,947.01x = 17,921.32 × 3,182.00
4. Step 4: Simplify right side
   11,947.01x = 57,025,542.68
5. Step 5: Solve for x
   x = 57,025,542.68/11,947.01
6. Step 6: Final answer
   x = 4,773.21