Finding the Fourth Proportional to 123,106.56, 184,514.04 and 56,490.54

Step by Step Solution

1. Step 1: Write the proportion equation
   123,106.56 : 184,514.04 = 56,490.54 : x
2. Step 2: Convert to fraction form
   123,106.56/184,514.04 = 56,490.54/x
3. Step 3: Cross multiply
   123,106.56x = 184,514.04 × 56,490.54
4. Step 4: Simplify right side
   123,106.56x = 10,423,297,757.18
5. Step 5: Solve for x
   x = 10,423,297,757.18/123,106.56
6. Step 6: Final answer
   x = 84,668.91