Finding the Fourth Proportional to 72,807.84, 100,467 and 40,976.16

Step by Step Solution

1. Step 1: Write the proportion equation
   72,807.84 : 100,467 = 40,976.16 : x
2. Step 2: Convert to fraction form
   72,807.84/100,467 = 40,976.16/x
3. Step 3: Cross multiply
   72,807.84x = 100,467 × 40,976.16
4. Step 4: Simplify right side
   72,807.84x = 4,116,751,866.72
5. Step 5: Solve for x
   x = 4,116,751,866.72/72,807.84
6. Step 6: Final answer
   x = 56,542.70