Finding the Fourth Proportional to 123,485.58, 185,031.54 and 79,075.80

Step by Step Solution

1. Step 1: Write the proportion equation
   123,485.58 : 185,031.54 = 79,075.80 : x
2. Step 2: Convert to fraction form
   123,485.58/185,031.54 = 79,075.80/x
3. Step 3: Cross multiply
   123,485.58x = 185,031.54 × 79,075.80
4. Step 4: Simplify right side
   123,485.58x = 14,631,517,050.73
5. Step 5: Solve for x
   x = 14,631,517,050.73/123,485.58
6. Step 6: Final answer
   x = 118,487.66