Finding the Fourth Proportional to 123,578.76, 185,120.82 and 56,927.64

Step by Step Solution

1. Step 1: Write the proportion equation
   123,578.76 : 185,120.82 = 56,927.64 : x
2. Step 2: Convert to fraction form
   123,578.76/185,120.82 = 56,927.64/x
3. Step 3: Cross multiply
   123,578.76x = 185,120.82 × 56,927.64
4. Step 4: Simplify right side
   123,578.76x = 10,538,491,397.46
5. Step 5: Solve for x
   x = 10,538,491,397.46/123,578.76
6. Step 6: Final answer
   x = 85,277.53