Finding the Fourth Proportional to 42,105.60, 57,987.63 and 41,187.06

Step by Step Solution

1. Step 1: Write the proportion equation
   42,105.60 : 57,987.63 = 41,187.06 : x
2. Step 2: Convert to fraction form
   42,105.60/57,987.63 = 41,187.06/x
3. Step 3: Cross multiply
   42,105.60x = 57,987.63 × 41,187.06
4. Step 4: Simplify right side
   42,105.60x = 2,388,339,996.07
5. Step 5: Solve for x
   x = 2,388,339,996.07/42,105.60
6. Step 6: Final answer
   x = 56,722.62