Finding the Fourth Proportional to 80,898.76, 111,644.09 and 45,089.02

Step by Step Solution

1. Step 1: Write the proportion equation
   80,898.76 : 111,644.09 = 45,089.02 : x
2. Step 2: Convert to fraction form
   80,898.76/111,644.09 = 45,089.02/x
3. Step 3: Cross multiply
   80,898.76x = 111,644.09 × 45,089.02
4. Step 4: Simplify right side
   80,898.76x = 5,033,922,606.89
5. Step 5: Solve for x
   x = 5,033,922,606.89/80,898.76
6. Step 6: Final answer
   x = 62,224.97