Finding the Fourth Proportional to 124,124.78, 184,783.37 and 123,386.78

Step by Step Solution

1. Step 1: Write the proportion equation
   124,124.78 : 184,783.37 = 123,386.78 : x
2. Step 2: Convert to fraction form
   124,124.78/184,783.37 = 123,386.78/x
3. Step 3: Cross multiply
   124,124.78x = 184,783.37 × 123,386.78
4. Step 4: Simplify right side
   124,124.78x = 22,799,825,021.85
5. Step 5: Solve for x
   x = 22,799,825,021.85/124,124.78
6. Step 6: Final answer
   x = 183,684.72