Finding the Fourth Proportional to 256,300.82, 384,533.49 and 123,190.73

Step by Step Solution

1. Step 1: Write the proportion equation
   256,300.82 : 384,533.49 = 123,190.73 : x
2. Step 2: Convert to fraction form
   256,300.82/384,533.49 = 123,190.73/x
3. Step 3: Cross multiply
   256,300.82x = 384,533.49 × 123,190.73
4. Step 4: Simplify right side
   256,300.82x = 47,370,961,342.55
5. Step 5: Solve for x
   x = 47,370,961,342.55/256,300.82
6. Step 6: Final answer
   x = 184,825.63