Finding the Fourth Proportional to 69,200.02, 103,420.81 and 50,519.39

Step by Step Solution

1. Step 1: Write the proportion equation
   69,200.02 : 103,420.81 = 50,519.39 : x
2. Step 2: Convert to fraction form
   69,200.02/103,420.81 = 50,519.39/x
3. Step 3: Cross multiply
   69,200.02x = 103,420.81 × 50,519.39
4. Step 4: Simplify right side
   69,200.02x = 5,224,756,234.51
5. Step 5: Solve for x
   x = 5,224,756,234.51/69,200.02
6. Step 6: Final answer
   x = 75,502.24