Finding the Fourth Proportional to 67,669.72, 93,377.77 and 45,821.50

Step by Step Solution

1. Step 1: Write the proportion equation
   67,669.72 : 93,377.77 = 45,821.50 : x
2. Step 2: Convert to fraction form
   67,669.72/93,377.77 = 45,821.50/x
3. Step 3: Cross multiply
   67,669.72x = 93,377.77 × 45,821.50
4. Step 4: Simplify right side
   67,669.72x = 4,278,709,488.06
5. Step 5: Solve for x
   x = 4,278,709,488.06/67,669.72
6. Step 6: Final answer
   x = 63,229.31