Finding the Fourth Proportional to 81,132.86, 111,962.82 and 45,322.56

Step by Step Solution

1. Step 1: Write the proportion equation
   81,132.86 : 111,962.82 = 45,322.56 : x
2. Step 2: Convert to fraction form
   81,132.86/111,962.82 = 45,322.56/x
3. Step 3: Cross multiply
   81,132.86x = 111,962.82 × 45,322.56
4. Step 4: Simplify right side
   81,132.86x = 5,074,441,627.22
5. Step 5: Solve for x
   x = 5,074,441,627.22/81,132.86
6. Step 6: Final answer
   x = 62,544.84