Finding the Fourth Proportional to 80,817.65, 111,520.37 and 45,011.00

Step by Step Solution

1. Step 1: Write the proportion equation
   80,817.65 : 111,520.37 = 45,011.00 : x
2. Step 2: Convert to fraction form
   80,817.65/111,520.37 = 45,011.00/x
3. Step 3: Cross multiply
   80,817.65x = 111,520.37 × 45,011.00
4. Step 4: Simplify right side
   80,817.65x = 5,019,642,929.00
5. Step 5: Solve for x
   x = 5,019,642,929.00/80,817.65
6. Step 6: Final answer
   x = 62,110.72