Finding the Fourth Proportional to 72,426.17, 99,952.73 and 40,164.48

Step by Step Solution

1. Step 1: Write the proportion equation
   72,426.17 : 99,952.73 = 40,164.48 : x
2. Step 2: Convert to fraction form
   72,426.17/99,952.73 = 40,164.48/x
3. Step 3: Cross multiply
   72,426.17x = 99,952.73 × 40,164.48
4. Step 4: Simplify right side
   72,426.17x = 4,014,549,425.03
5. Step 5: Solve for x
   x = 4,014,549,425.03/72,426.17
6. Step 6: Final answer
   x = 55,429.54