Finding the Fourth Proportional to 81,053.22, 111,842.33 and 45,238.62

Step by Step Solution

1. Step 1: Write the proportion equation
   81,053.22 : 111,842.33 = 45,238.62 : x
2. Step 2: Convert to fraction form
   81,053.22/111,842.33 = 45,238.62/x
3. Step 3: Cross multiply
   81,053.22x = 111,842.33 × 45,238.62
4. Step 4: Simplify right side
   81,053.22x = 5,059,592,440.59
5. Step 5: Solve for x
   x = 5,059,592,440.59/81,053.22
6. Step 6: Final answer
   x = 62,423.09