Finding the Fourth Proportional to 222,675.15, 307,285.88 and 120,696.15

Step by Step Solution

1. Step 1: Write the proportion equation
   222,675.15 : 307,285.88 = 120,696.15 : x
2. Step 2: Convert to fraction form
   222,675.15/307,285.88 = 120,696.15/x
3. Step 3: Cross multiply
   222,675.15x = 307,285.88 × 120,696.15
4. Step 4: Simplify right side
   222,675.15x = 37,088,222,061.88
5. Step 5: Solve for x
   x = 37,088,222,061.88/222,675.15
6. Step 6: Final answer
   x = 166,557.53