Finding the Fourth Proportional to 123,493.60, 185,043.52 and 79,083.80

Step by Step Solution

1. Step 1: Write the proportion equation
   123,493.60 : 185,043.52 = 79,083.80 : x
2. Step 2: Convert to fraction form
   123,493.60/185,043.52 = 79,083.80/x
3. Step 3: Cross multiply
   123,493.60x = 185,043.52 × 79,083.80
4. Step 4: Simplify right side
   123,493.60x = 14,633,944,726.98
5. Step 5: Solve for x
   x = 14,633,944,726.98/123,493.60
6. Step 6: Final answer
   x = 118,499.62