Finding the Fourth Proportional to 80,997.68, 111,776.92 and 45,186.72

Step by Step Solution

1. Step 1: Write the proportion equation
   80,997.68 : 111,776.92 = 45,186.72 : x
2. Step 2: Convert to fraction form
   80,997.68/111,776.92 = 45,186.72/x
3. Step 3: Cross multiply
   80,997.68x = 111,776.92 × 45,186.72
4. Step 4: Simplify right side
   80,997.68x = 5,050,832,386.50
5. Step 5: Solve for x
   x = 5,050,832,386.50/80,997.68
6. Step 6: Final answer
   x = 62,357.74