Finding the Fourth Proportional to 72,105.41, 108,081.52 and 42,537.17

Step by Step Solution

1. Step 1: Write the proportion equation
   72,105.41 : 108,081.52 = 42,537.17 : x
2. Step 2: Convert to fraction form
   72,105.41/108,081.52 = 42,537.17/x
3. Step 3: Cross multiply
   72,105.41x = 108,081.52 × 42,537.17
4. Step 4: Simplify right side
   72,105.41x = 4,597,481,343.35
5. Step 5: Solve for x
   x = 4,597,481,343.35/72,105.41
6. Step 6: Final answer
   x = 63,760.56