Finding the Fourth Proportional to 72,905.40, 100,605.78 and 41,076.18

Step by Step Solution

1. Step 1: Write the proportion equation
   72,905.40 : 100,605.78 = 41,076.18 : x
2. Step 2: Convert to fraction form
   72,905.40/100,605.78 = 41,076.18/x
3. Step 3: Cross multiply
   72,905.40x = 100,605.78 × 41,076.18
4. Step 4: Simplify right side
   72,905.40x = 4,132,501,128.32
5. Step 5: Solve for x
   x = 4,132,501,128.32/72,905.40
6. Step 6: Final answer
   x = 56,683.06