Finding the Fourth Proportional to 81,110, 111,930.62 and 45,300.54

Step by Step Solution

1. Step 1: Write the proportion equation
   81,110 : 111,930.62 = 45,300.54 : x
2. Step 2: Convert to fraction form
   81,110/111,930.62 = 45,300.54/x
3. Step 3: Cross multiply
   81,110x = 111,930.62 × 45,300.54
4. Step 4: Simplify right side
   81,110x = 5,070,517,528.53
5. Step 5: Solve for x
   x = 5,070,517,528.53/81,110
6. Step 6: Final answer
   x = 62,514.09