Finding the Fourth Proportional to 123,208.09, 184,784.25 and 56,584.17

Step by Step Solution

1. Step 1: Write the proportion equation
   123,208.09 : 184,784.25 = 56,584.17 : x
2. Step 2: Convert to fraction form
   123,208.09/184,784.25 = 56,584.17/x
3. Step 3: Cross multiply
   123,208.09x = 184,784.25 × 56,584.17
4. Step 4: Simplify right side
   123,208.09x = 10,455,863,415.32
5. Step 5: Solve for x
   x = 10,455,863,415.32/123,208.09
6. Step 6: Final answer
   x = 84,863.45