Finding the Fourth Proportional to 80,922.86, 111,673.56 and 45,112.10

Step by Step Solution

1. Step 1: Write the proportion equation
   80,922.86 : 111,673.56 = 45,112.10 : x
2. Step 2: Convert to fraction form
   80,922.86/111,673.56 = 45,112.10/x
3. Step 3: Cross multiply
   80,922.86x = 111,673.56 × 45,112.10
4. Step 4: Simplify right side
   80,922.86x = 5,037,828,247.71
5. Step 5: Solve for x
   x = 5,037,828,247.71/80,922.86
6. Step 6: Final answer
   x = 62,254.70