Finding the Fourth Proportional to 74,638.72, 102,996.76 and 41,104.72

Step by Step Solution

1. Step 1: Write the proportion equation
   74,638.72 : 102,996.76 = 41,104.72 : x
2. Step 2: Convert to fraction form
   74,638.72/102,996.76 = 41,104.72/x
3. Step 3: Cross multiply
   74,638.72x = 102,996.76 × 41,104.72
4. Step 4: Simplify right side
   74,638.72x = 4,233,652,620.45
5. Step 5: Solve for x
   x = 4,233,652,620.45/74,638.72
6. Step 6: Final answer
   x = 56,721.94