Finding the Fourth Proportional to 81,196.86, 112,053.68 and 45,392.83

Step by Step Solution

1. Step 1: Write the proportion equation
   81,196.86 : 112,053.68 = 45,392.83 : x
2. Step 2: Convert to fraction form
   81,196.86/112,053.68 = 45,392.83/x
3. Step 3: Cross multiply
   81,196.86x = 112,053.68 × 45,392.83
4. Step 4: Simplify right side
   81,196.86x = 5,086,433,647.11
5. Step 5: Solve for x
   x = 5,086,433,647.11/81,196.86
6. Step 6: Final answer
   x = 62,643.23