Finding the Fourth Proportional to 50,875.68, 70,209.87 and 30,736.17

Step by Step Solution

1. Step 1: Write the proportion equation
   50,875.68 : 70,209.87 = 30,736.17 : x
2. Step 2: Convert to fraction form
   50,875.68/70,209.87 = 30,736.17/x
3. Step 3: Cross multiply
   50,875.68x = 70,209.87 × 30,736.17
4. Step 4: Simplify right side
   50,875.68x = 2,157,982,500.00
5. Step 5: Solve for x
   x = 2,157,982,500.00/50,875.68
6. Step 6: Final answer
   x = 42,416.78