Finding the Fourth Proportional to 81,456.53, 112,408.91 and 45,647.24

Step by Step Solution

1. Step 1: Write the proportion equation
   81,456.53 : 112,408.91 = 45,647.24 : x
2. Step 2: Convert to fraction form
   81,456.53/112,408.91 = 45,647.24/x
3. Step 3: Cross multiply
   81,456.53x = 112,408.91 × 45,647.24
4. Step 4: Simplify right side
   81,456.53x = 5,131,155,702.63
5. Step 5: Solve for x
   x = 5,131,155,702.63/81,456.53
6. Step 6: Final answer
   x = 62,992.57