Finding the Fourth Proportional to 47,781.23, 65,947.23 and 31,648.73

Step by Step Solution

1. Step 1: Write the proportion equation
   47,781.23 : 65,947.23 = 31,648.73 : x
2. Step 2: Convert to fraction form
   47,781.23/65,947.23 = 31,648.73/x
3. Step 3: Cross multiply
   47,781.23x = 65,947.23 × 31,648.73
4. Step 4: Simplify right side
   47,781.23x = 2,087,145,746.78
5. Step 5: Solve for x
   x = 2,087,145,746.78/47,781.23
6. Step 6: Final answer
   x = 43,681.29