Finding the Fourth Proportional to 72,563.42, 108,824.52 and 28,180.70

Step by Step Solution

1. Step 1: Write the proportion equation
   72,563.42 : 108,824.52 = 28,180.70 : x
2. Step 2: Convert to fraction form
   72,563.42/108,824.52 = 28,180.70/x
3. Step 3: Cross multiply
   72,563.42x = 108,824.52 × 28,180.70
4. Step 4: Simplify right side
   72,563.42x = 3,066,751,150.76
5. Step 5: Solve for x
   x = 3,066,751,150.76/72,563.42
6. Step 6: Final answer
   x = 42,263.05