Finding the Fourth Proportional to 123,073.28, 184,585.60 and 56,495.36

Step by Step Solution

1. Step 1: Write the proportion equation
   123,073.28 : 184,585.60 = 56,495.36 : x
2. Step 2: Convert to fraction form
   123,073.28/184,585.60 = 56,495.36/x
3. Step 3: Cross multiply
   123,073.28x = 184,585.60 × 56,495.36
4. Step 4: Simplify right side
   123,073.28x = 10,428,229,922.82
5. Step 5: Solve for x
   x = 10,428,229,922.82/123,073.28
6. Step 6: Final answer
   x = 84,731.88