Finding the Fourth Proportional to 71,914.38, 99,245.25 and 40,083.51

Step by Step Solution

1. Step 1: Write the proportion equation
   71,914.38 : 99,245.25 = 40,083.51 : x
2. Step 2: Convert to fraction form
   71,914.38/99,245.25 = 40,083.51/x
3. Step 3: Cross multiply
   71,914.38x = 99,245.25 × 40,083.51
4. Step 4: Simplify right side
   71,914.38x = 3,978,097,970.83
5. Step 5: Solve for x
   x = 3,978,097,970.83/71,914.38
6. Step 6: Final answer
   x = 55,317.14