Finding the Fourth Proportional to 50,802.50, 70,109.94 and 30,659.03

Step by Step Solution

1. Step 1: Write the proportion equation
   50,802.50 : 70,109.94 = 30,659.03 : x
2. Step 2: Convert to fraction form
   50,802.50/70,109.94 = 30,659.03/x
3. Step 3: Cross multiply
   50,802.50x = 70,109.94 × 30,659.03
4. Step 4: Simplify right side
   50,802.50x = 2,149,502,753.76
5. Step 5: Solve for x
   x = 2,149,502,753.76/50,802.50
6. Step 6: Final answer
   x = 42,310.96