Finding the Fourth Proportional to 123,231, 184,846.56 and 48,386.40

Step by Step Solution

1. Step 1: Write the proportion equation
   123,231 : 184,846.56 = 48,386.40 : x
2. Step 2: Convert to fraction form
   123,231/184,846.56 = 48,386.40/x
3. Step 3: Cross multiply
   123,231x = 184,846.56 × 48,386.40
4. Step 4: Simplify right side
   123,231x = 8,944,059,590.78
5. Step 5: Solve for x
   x = 8,944,059,590.78/123,231
6. Step 6: Final answer
   x = 72,579.62