Finding the Fourth Proportional to 74,363, 102,708.42 and 50,448.16

Step by Step Solution

1. Step 1: Write the proportion equation
   74,363 : 102,708.42 = 50,448.16 : x
2. Step 2: Convert to fraction form
   74,363/102,708.42 = 50,448.16/x
3. Step 3: Cross multiply
   74,363x = 102,708.42 × 50,448.16
4. Step 4: Simplify right side
   74,363x = 5,181,450,805.51
5. Step 5: Solve for x
   x = 5,181,450,805.51/74,363
6. Step 6: Final answer
   x = 69,677.81