Finding the Fourth Proportional to 47,803.31, 65,982.47 and 31,887.72

Step by Step Solution

1. Step 1: Write the proportion equation
   47,803.31 : 65,982.47 = 31,887.72 : x
2. Step 2: Convert to fraction form
   47,803.31/65,982.47 = 31,887.72/x
3. Step 3: Cross multiply
   47,803.31x = 65,982.47 × 31,887.72
4. Step 4: Simplify right side
   47,803.31x = 2,104,030,363.31
5. Step 5: Solve for x
   x = 2,104,030,363.31/47,803.31
6. Step 6: Final answer
   x = 44,014.33