Finding the Fourth Proportional to 47,819.63, 65,951.80 and 42,446

Step by Step Solution

1. Step 1: Write the proportion equation
   47,819.63 : 65,951.80 = 42,446 : x
2. Step 2: Convert to fraction form
   47,819.63/65,951.80 = 42,446/x
3. Step 3: Cross multiply
   47,819.63x = 65,951.80 × 42,446
4. Step 4: Simplify right side
   47,819.63x = 2,799,390,102.80
5. Step 5: Solve for x
   x = 2,799,390,102.80/47,819.63
6. Step 6: Final answer
   x = 58,540.61