Finding the Fourth Proportional to 81,119.68, 111,937.86 and 45,304.72

Step by Step Solution

1. Step 1: Write the proportion equation
   81,119.68 : 111,937.86 = 45,304.72 : x
2. Step 2: Convert to fraction form
   81,119.68/111,937.86 = 45,304.72/x
3. Step 3: Cross multiply
   81,119.68x = 111,937.86 × 45,304.72
4. Step 4: Simplify right side
   81,119.68x = 5,071,313,404.70
5. Step 5: Solve for x
   x = 5,071,313,404.70/81,119.68
6. Step 6: Final answer
   x = 62,516.44