Finding the Fourth Proportional to 50,866.32, 70,191.72 and 28,506

Step by Step Solution

1. Step 1: Write the proportion equation
   50,866.32 : 70,191.72 = 28,506 : x
2. Step 2: Convert to fraction form
   50,866.32/70,191.72 = 28,506/x
3. Step 3: Cross multiply
   50,866.32x = 70,191.72 × 28,506
4. Step 4: Simplify right side
   50,866.32x = 2,000,885,170.32
5. Step 5: Solve for x
   x = 2,000,885,170.32/50,866.32
6. Step 6: Final answer
   x = 39,336.15