Finding the Fourth Proportional to 72,149.69, 108,253.24 and 27,764.53

Step by Step Solution

1. Step 1: Write the proportion equation
   72,149.69 : 108,253.24 = 27,764.53 : x
2. Step 2: Convert to fraction form
   72,149.69/108,253.24 = 27,764.53/x
3. Step 3: Cross multiply
   72,149.69x = 108,253.24 × 27,764.53
4. Step 4: Simplify right side
   72,149.69x = 3,005,600,145.71
5. Step 5: Solve for x
   x = 3,005,600,145.71/72,149.69
6. Step 6: Final answer
   x = 41,657.84