Finding the Fourth Proportional to 218,606.04, 301,675.59 and 123,112.71

Step by Step Solution

1. Step 1: Write the proportion equation
   218,606.04 : 301,675.59 = 123,112.71 : x
2. Step 2: Convert to fraction form
   218,606.04/301,675.59 = 123,112.71/x
3. Step 3: Cross multiply
   218,606.04x = 301,675.59 × 123,112.71
4. Step 4: Simplify right side
   218,606.04x = 37,140,099,425.75
5. Step 5: Solve for x
   x = 37,140,099,425.75/218,606.04
6. Step 6: Final answer
   x = 169,895.12