Finding the Fourth Proportional to 123,066.80, 184,546.20 and 56,484.80

Step by Step Solution

1. Step 1: Write the proportion equation
   123,066.80 : 184,546.20 = 56,484.80 : x
2. Step 2: Convert to fraction form
   123,066.80/184,546.20 = 56,484.80/x
3. Step 3: Cross multiply
   123,066.80x = 184,546.20 × 56,484.80
4. Step 4: Simplify right side
   123,066.80x = 10,424,055,197.76
5. Step 5: Solve for x
   x = 10,424,055,197.76/123,066.80
6. Step 6: Final answer
   x = 84,702.42