Finding the Fourth Proportional to 72,105.56, 99,505.13 and 41,908.58

Step by Step Solution

1. Step 1: Write the proportion equation
   72,105.56 : 99,505.13 = 41,908.58 : x
2. Step 2: Convert to fraction form
   72,105.56/99,505.13 = 41,908.58/x
3. Step 3: Cross multiply
   72,105.56x = 99,505.13 × 41,908.58
4. Step 4: Simplify right side
   72,105.56x = 4,170,118,491.47
5. Step 5: Solve for x
   x = 4,170,118,491.47/72,105.56
6. Step 6: Final answer
   x = 57,833.52