Finding the Fourth Proportional to 71,820.36, 99,200.98 and 50,693.94

Step by Step Solution

1. Step 1: Write the proportion equation
   71,820.36 : 99,200.98 = 50,693.94 : x
2. Step 2: Convert to fraction form
   71,820.36/99,200.98 = 50,693.94/x
3. Step 3: Cross multiply
   71,820.36x = 99,200.98 × 50,693.94
4. Step 4: Simplify right side
   71,820.36x = 5,028,888,528.06
5. Step 5: Solve for x
   x = 5,028,888,528.06/71,820.36
6. Step 6: Final answer
   x = 70,020.37