Finding the Fourth Proportional to 81,059.68, 111,860.48 and 45,253

Step by Step Solution

1. Step 1: Write the proportion equation
   81,059.68 : 111,860.48 = 45,253 : x
2. Step 2: Convert to fraction form
   81,059.68/111,860.48 = 45,253/x
3. Step 3: Cross multiply
   81,059.68x = 111,860.48 × 45,253
4. Step 4: Simplify right side
   81,059.68x = 5,062,022,301.44
5. Step 5: Solve for x
   x = 5,062,022,301.44/81,059.68
6. Step 6: Final answer
   x = 62,448.09