Finding the Fourth Proportional to 123,992.76, 185,884.56 and 53,819.16

Step by Step Solution

1. Step 1: Write the proportion equation
   123,992.76 : 185,884.56 = 53,819.16 : x
2. Step 2: Convert to fraction form
   123,992.76/185,884.56 = 53,819.16/x
3. Step 3: Cross multiply
   123,992.76x = 185,884.56 × 53,819.16
4. Step 4: Simplify right side
   123,992.76x = 10,004,150,876.17
5. Step 5: Solve for x
   x = 10,004,150,876.17/123,992.76
6. Step 6: Final answer
   x = 80,683.35