Finding the Fourth Proportional to 76,309.25, 114,448.28 and 28,908.00

Step by Step Solution

1. Step 1: Write the proportion equation
   76,309.25 : 114,448.28 = 28,908.00 : x
2. Step 2: Convert to fraction form
   76,309.25/114,448.28 = 28,908.00/x
3. Step 3: Cross multiply
   76,309.25x = 114,448.28 × 28,908.00
4. Step 4: Simplify right side
   76,309.25x = 3,308,470,306.00
5. Step 5: Solve for x
   x = 3,308,470,306.00/76,309.25
6. Step 6: Final answer
   x = 43,356.09