Finding the Fourth Proportional to 81,133.86, 111,964.72 and 45,323.88

Step by Step Solution

1. Step 1: Write the proportion equation
   81,133.86 : 111,964.72 = 45,323.88 : x
2. Step 2: Convert to fraction form
   81,133.86/111,964.72 = 45,323.88/x
3. Step 3: Cross multiply
   81,133.86x = 111,964.72 × 45,323.88
4. Step 4: Simplify right side
   81,133.86x = 5,074,675,533.51
5. Step 5: Solve for x
   x = 5,074,675,533.51/81,133.86
6. Step 6: Final answer
   x = 62,546.95