Finding the Fourth Proportional to 123,919.75, 185,883.67 and 58,990.07

Step by Step Solution

1. Step 1: Write the proportion equation
   123,919.75 : 185,883.67 = 58,990.07 : x
2. Step 2: Convert to fraction form
   123,919.75/185,883.67 = 58,990.07/x
3. Step 3: Cross multiply
   123,919.75x = 185,883.67 × 58,990.07
4. Step 4: Simplify right side
   123,919.75x = 10,965,290,546.54
5. Step 5: Solve for x
   x = 10,965,290,546.54/123,919.75
6. Step 6: Final answer
   x = 88,487.03