Finding the Fourth Proportional to 31,321.08, 46,983.27 and 7,947.72

Step by Step Solution

1. Step 1: Write the proportion equation
   31,321.08 : 46,983.27 = 7,947.72 : x
2. Step 2: Convert to fraction form
   31,321.08/46,983.27 = 7,947.72/x
3. Step 3: Cross multiply
   31,321.08x = 46,983.27 × 7,947.72
4. Step 4: Simplify right side
   31,321.08x = 373,409,874.64
5. Step 5: Solve for x
   x = 373,409,874.64/31,321.08
6. Step 6: Final answer
   x = 11,922.00