Finding the Fourth Proportional to 162,440.10, 243,660.15 and 123,074.10

Step by Step Solution

1. Step 1: Write the proportion equation
   162,440.10 : 243,660.15 = 123,074.10 : x
2. Step 2: Convert to fraction form
   162,440.10/243,660.15 = 123,074.10/x
3. Step 3: Cross multiply
   162,440.10x = 243,660.15 × 123,074.10
4. Step 4: Simplify right side
   162,440.10x = 29,988,253,667.12
5. Step 5: Solve for x
   x = 29,988,253,667.12/162,440.10
6. Step 6: Final answer
   x = 184,611.15