Finding the Fourth Proportional to 81,264.36, 112,149.82 and 45,456.80

Step by Step Solution

1. Step 1: Write the proportion equation
   81,264.36 : 112,149.82 = 45,456.80 : x
2. Step 2: Convert to fraction form
   81,264.36/112,149.82 = 45,456.80/x
3. Step 3: Cross multiply
   81,264.36x = 112,149.82 × 45,456.80
4. Step 4: Simplify right side
   81,264.36x = 5,097,971,178.15
5. Step 5: Solve for x
   x = 5,097,971,178.15/81,264.36
6. Step 6: Final answer
   x = 62,733.17