Finding the Fourth Proportional to 72,241.61, 99,693.41 and 40,410.50

Step by Step Solution

1. Step 1: Write the proportion equation
   72,241.61 : 99,693.41 = 40,410.50 : x
2. Step 2: Convert to fraction form
   72,241.61/99,693.41 = 40,410.50/x
3. Step 3: Cross multiply
   72,241.61x = 99,693.41 × 40,410.50
4. Step 4: Simplify right side
   72,241.61x = 4,028,659,844.29
5. Step 5: Solve for x
   x = 4,028,659,844.29/72,241.61
6. Step 6: Final answer
   x = 55,766.48