Finding the Fourth Proportional to 80,853.42, 111,577.70 and 45,045.72

Step by Step Solution

1. Step 1: Write the proportion equation
   80,853.42 : 111,577.70 = 45,045.72 : x
2. Step 2: Convert to fraction form
   80,853.42/111,577.70 = 45,045.72/x
3. Step 3: Cross multiply
   80,853.42x = 111,577.70 × 45,045.72
4. Step 4: Simplify right side
   80,853.42x = 5,026,097,945.06
5. Step 5: Solve for x
   x = 5,026,097,945.06/80,853.42
6. Step 6: Final answer
   x = 62,163.08