Finding the Fourth Proportional to 123,578.64, 185,382.54 and 92,610.72

Step by Step Solution

1. Step 1: Write the proportion equation
   123,578.64 : 185,382.54 = 92,610.72 : x
2. Step 2: Convert to fraction form
   123,578.64/185,382.54 = 92,610.72/x
3. Step 3: Cross multiply
   123,578.64x = 185,382.54 × 92,610.72
4. Step 4: Simplify right side
   123,578.64x = 17,168,410,504.83
5. Step 5: Solve for x
   x = 17,168,410,504.83/123,578.64
6. Step 6: Final answer
   x = 138,927.01