Finding the Fourth Proportional to 47,074.34, 70,589.94 and 28,107.59

Step by Step Solution

1. Step 1: Write the proportion equation
   47,074.34 : 70,589.94 = 28,107.59 : x
2. Step 2: Convert to fraction form
   47,074.34/70,589.94 = 28,107.59/x
3. Step 3: Cross multiply
   47,074.34x = 70,589.94 × 28,107.59
4. Step 4: Simplify right side
   47,074.34x = 1,984,112,738.69
5. Step 5: Solve for x
   x = 1,984,112,738.69/47,074.34
6. Step 6: Final answer
   x = 42,148.50