Finding the Fourth Proportional to 123,672.84, 170,754.96 and 109,222.08

Step by Step Solution

1. Step 1: Write the proportion equation
   123,672.84 : 170,754.96 = 109,222.08 : x
2. Step 2: Convert to fraction form
   123,672.84/170,754.96 = 109,222.08/x
3. Step 3: Cross multiply
   123,672.84x = 170,754.96 × 109,222.08
4. Step 4: Simplify right side
   123,672.84x = 18,650,211,901.52
5. Step 5: Solve for x
   x = 18,650,211,901.52/123,672.84
6. Step 6: Final answer
   x = 150,802.81