Finding the Fourth Proportional to 72,277.29, 99,739.52 and 40,010.00

Step by Step Solution

1. Step 1: Write the proportion equation
   72,277.29 : 99,739.52 = 40,010.00 : x
2. Step 2: Convert to fraction form
   72,277.29/99,739.52 = 40,010.00/x
3. Step 3: Cross multiply
   72,277.29x = 99,739.52 × 40,010.00
4. Step 4: Simplify right side
   72,277.29x = 3,990,577,496.45
5. Step 5: Solve for x
   x = 3,990,577,496.45/72,277.29
6. Step 6: Final answer
   x = 55,212.05