Finding the Fourth Proportional to 74,646, 103,012.20 and 41,112.72

Step by Step Solution

1. Step 1: Write the proportion equation
   74,646 : 103,012.20 = 41,112.72 : x
2. Step 2: Convert to fraction form
   74,646/103,012.20 = 41,112.72/x
3. Step 3: Cross multiply
   74,646x = 103,012.20 × 41,112.72
4. Step 4: Simplify right side
   74,646x = 4,235,111,735.18
5. Step 5: Solve for x
   x = 4,235,111,735.18/74,646
6. Step 6: Final answer
   x = 56,735.95