Finding the Fourth Proportional to 123,208.15, 184,784.35 and 56,584.23

Step by Step Solution

1. Step 1: Write the proportion equation
   123,208.15 : 184,784.35 = 56,584.23 : x
2. Step 2: Convert to fraction form
   123,208.15/184,784.35 = 56,584.23/x
3. Step 3: Cross multiply
   123,208.15x = 184,784.35 × 56,584.23
4. Step 4: Simplify right side
   123,208.15x = 10,455,880,019.34
5. Step 5: Solve for x
   x = 10,455,880,019.34/123,208.15
6. Step 6: Final answer
   x = 84,863.54