Finding the Fourth Proportional to 314,355.69, 471,533.69 and 103,993.63

Step by Step Solution

1. Step 1: Write the proportion equation
   314,355.69 : 471,533.69 = 103,993.63 : x
2. Step 2: Convert to fraction form
   314,355.69/471,533.69 = 103,993.63/x
3. Step 3: Cross multiply
   314,355.69x = 471,533.69 × 103,993.63
4. Step 4: Simplify right side
   314,355.69x = 49,036,499,171.54
5. Step 5: Solve for x
   x = 49,036,499,171.54/314,355.69
6. Step 6: Final answer
   x = 155,990.49