Finding the Fourth Proportional to 72,692.45, 108,863.72 and 49,247.81

Step by Step Solution

1. Step 1: Write the proportion equation
   72,692.45 : 108,863.72 = 49,247.81 : x
2. Step 2: Convert to fraction form
   72,692.45/108,863.72 = 49,247.81/x
3. Step 3: Cross multiply
   72,692.45x = 108,863.72 × 49,247.81
4. Step 4: Simplify right side
   72,692.45x = 5,361,299,552.21
5. Step 5: Solve for x
   x = 5,361,299,552.21/72,692.45
6. Step 6: Final answer
   x = 73,753.18