Finding the Fourth Proportional to 103,933.94, 143,443.71 and 75,348.23

Step by Step Solution

1. Step 1: Write the proportion equation
   103,933.94 : 143,443.71 = 75,348.23 : x
2. Step 2: Convert to fraction form
   103,933.94/143,443.71 = 75,348.23/x
3. Step 3: Cross multiply
   103,933.94x = 143,443.71 × 75,348.23
4. Step 4: Simplify right side
   103,933.94x = 10,808,228,935.91
5. Step 5: Solve for x
   x = 10,808,228,935.91/103,933.94
6. Step 6: Final answer
   x = 103,991.34