Finding the Fourth Proportional to 73,648, 101,636.40 and 40,116.16

Step by Step Solution

1. Step 1: Write the proportion equation
   73,648 : 101,636.40 = 40,116.16 : x
2. Step 2: Convert to fraction form
   73,648/101,636.40 = 40,116.16/x
3. Step 3: Cross multiply
   73,648x = 101,636.40 × 40,116.16
4. Step 4: Simplify right side
   73,648x = 4,077,262,084.22
5. Step 5: Solve for x
   x = 4,077,262,084.22/73,648
6. Step 6: Final answer
   x = 55,361.48