Finding the Fourth Proportional to 123,490.58, 185,039.04 and 79,080.80

Step by Step Solution

1. Step 1: Write the proportion equation
   123,490.58 : 185,039.04 = 79,080.80 : x
2. Step 2: Convert to fraction form
   123,490.58/185,039.04 = 79,080.80/x
3. Step 3: Cross multiply
   123,490.58x = 185,039.04 × 79,080.80
4. Step 4: Simplify right side
   123,490.58x = 14,633,035,314.43
5. Step 5: Solve for x
   x = 14,633,035,314.43/123,490.58
6. Step 6: Final answer
   x = 118,495.15