Finding the Fourth Proportional to 80,887.74, 111,623.28 and 45,077.10

Step by Step Solution

1. Step 1: Write the proportion equation
   80,887.74 : 111,623.28 = 45,077.10 : x
2. Step 2: Convert to fraction form
   80,887.74/111,623.28 = 45,077.10/x
3. Step 3: Cross multiply
   80,887.74x = 111,623.28 × 45,077.10
4. Step 4: Simplify right side
   80,887.74x = 5,031,653,754.89
5. Step 5: Solve for x
   x = 5,031,653,754.89/80,887.74
6. Step 6: Final answer
   x = 62,205.39