Finding the Fourth Proportional to 72,562.42, 108,823.02 and 28,179.70

Step by Step Solution

1. Step 1: Write the proportion equation
   72,562.42 : 108,823.02 = 28,179.70 : x
2. Step 2: Convert to fraction form
   72,562.42/108,823.02 = 28,179.70/x
3. Step 3: Cross multiply
   72,562.42x = 108,823.02 × 28,179.70
4. Step 4: Simplify right side
   72,562.42x = 3,066,600,056.69
5. Step 5: Solve for x
   x = 3,066,600,056.69/72,562.42
6. Step 6: Final answer
   x = 42,261.55