Finding the Fourth Proportional to 72,457.77, 99,972.81 and 41,823.38

Step by Step Solution

1. Step 1: Write the proportion equation
   72,457.77 : 99,972.81 = 41,823.38 : x
2. Step 2: Convert to fraction form
   72,457.77/99,972.81 = 41,823.38/x
3. Step 3: Cross multiply
   72,457.77x = 99,972.81 × 41,823.38
4. Step 4: Simplify right side
   72,457.77x = 4,181,200,322.43
5. Step 5: Solve for x
   x = 4,181,200,322.43/72,457.77
6. Step 6: Final answer
   x = 57,705.34