Finding the Fourth Proportional to 80,474, 111,054.12 and 45,146

Step by Step Solution

1. Step 1: Write the proportion equation
   80,474 : 111,054.12 = 45,146 : x
2. Step 2: Convert to fraction form
   80,474/111,054.12 = 45,146/x
3. Step 3: Cross multiply
   80,474x = 111,054.12 × 45,146
4. Step 4: Simplify right side
   80,474x = 5,013,649,301.52
5. Step 5: Solve for x
   x = 5,013,649,301.52/80,474
6. Step 6: Final answer
   x = 62,301.48