Finding the Fourth Proportional to 47,711.34, 65,847.69 and 28,848.42

Step by Step Solution

1. Step 1: Write the proportion equation
   47,711.34 : 65,847.69 = 28,848.42 : x
2. Step 2: Convert to fraction form
   47,711.34/65,847.69 = 28,848.42/x
3. Step 3: Cross multiply
   47,711.34x = 65,847.69 × 28,848.42
4. Step 4: Simplify right side
   47,711.34x = 1,899,601,817.15
5. Step 5: Solve for x
   x = 1,899,601,817.15/47,711.34
6. Step 6: Final answer
   x = 39,814.47