Finding the Fourth Proportional to 144,068.75, 216,104.34 and 50,574.50

Step by Step Solution

1. Step 1: Write the proportion equation
   144,068.75 : 216,104.34 = 50,574.50 : x
2. Step 2: Convert to fraction form
   144,068.75/216,104.34 = 50,574.50/x
3. Step 3: Cross multiply
   144,068.75x = 216,104.34 × 50,574.50
4. Step 4: Simplify right side
   144,068.75x = 10,929,368,943.33
5. Step 5: Solve for x
   x = 10,929,368,943.33/144,068.75
6. Step 6: Final answer
   x = 75,862.18