Finding the Fourth Proportional to 80,967, 111,731.22 and 45,156.72

Step by Step Solution

1. Step 1: Write the proportion equation
   80,967 : 111,731.22 = 45,156.72 : x
2. Step 2: Convert to fraction form
   80,967/111,731.22 = 45,156.72/x
3. Step 3: Cross multiply
   80,967x = 111,731.22 × 45,156.72
4. Step 4: Simplify right side
   80,967x = 5,045,415,416.80
5. Step 5: Solve for x
   x = 5,045,415,416.80/80,967
6. Step 6: Final answer
   x = 62,314.47