Finding the Fourth Proportional to 72,333.39, 99,828.63 and 40,496.16

Step by Step Solution

1. Step 1: Write the proportion equation
   72,333.39 : 99,828.63 = 40,496.16 : x
2. Step 2: Convert to fraction form
   72,333.39/99,828.63 = 40,496.16/x
3. Step 3: Cross multiply
   72,333.39x = 99,828.63 × 40,496.16
4. Step 4: Simplify right side
   72,333.39x = 4,042,676,173.06
5. Step 5: Solve for x
   x = 4,042,676,173.06/72,333.39
6. Step 6: Final answer
   x = 55,889.49