Finding the Fourth Proportional to 72,043.69, 108,081.51 and 27,670.45

Step by Step Solution

1. Step 1: Write the proportion equation
   72,043.69 : 108,081.51 = 27,670.45 : x
2. Step 2: Convert to fraction form
   72,043.69/108,081.51 = 27,670.45/x
3. Step 3: Cross multiply
   72,043.69x = 108,081.51 × 27,670.45
4. Step 4: Simplify right side
   72,043.69x = 2,990,664,018.38
5. Step 5: Solve for x
   x = 2,990,664,018.38/72,043.69
6. Step 6: Final answer
   x = 41,511.81