Finding the Fourth Proportional to 123,145.45, 184,441.37 and 74,983.61

Step by Step Solution

1. Step 1: Write the proportion equation
   123,145.45 : 184,441.37 = 74,983.61 : x
2. Step 2: Convert to fraction form
   123,145.45/184,441.37 = 74,983.61/x
3. Step 3: Cross multiply
   123,145.45x = 184,441.37 × 74,983.61
4. Step 4: Simplify right side
   123,145.45x = 13,830,079,226.43
5. Step 5: Solve for x
   x = 13,830,079,226.43/123,145.45
6. Step 6: Final answer
   x = 112,306.87