Finding the Fourth Proportional to 47,801.58, 65,982.58 and 28,938.72

Step by Step Solution

1. Step 1: Write the proportion equation
   47,801.58 : 65,982.58 = 28,938.72 : x
2. Step 2: Convert to fraction form
   47,801.58/65,982.58 = 28,938.72/x
3. Step 3: Cross multiply
   47,801.58x = 65,982.58 × 28,938.72
4. Step 4: Simplify right side
   47,801.58x = 1,909,451,407.50
5. Step 5: Solve for x
   x = 1,909,451,407.50/47,801.58
6. Step 6: Final answer
   x = 39,945.36