Finding the Fourth Proportional to 123,044.80, 184,513.20 and 56,462.80

Step by Step Solution

1. Step 1: Write the proportion equation
   123,044.80 : 184,513.20 = 56,462.80 : x
2. Step 2: Convert to fraction form
   123,044.80/184,513.20 = 56,462.80/x
3. Step 3: Cross multiply
   123,044.80x = 184,513.20 × 56,462.80
4. Step 4: Simplify right side
   123,044.80x = 10,418,131,908.96
5. Step 5: Solve for x
   x = 10,418,131,908.96/123,044.80
6. Step 6: Final answer
   x = 84,669.42