Finding the Fourth Proportional to 222,665.49, 306,989.29 and 141,952.91

Step by Step Solution

1. Step 1: Write the proportion equation
   222,665.49 : 306,989.29 = 141,952.91 : x
2. Step 2: Convert to fraction form
   222,665.49/306,989.29 = 141,952.91/x
3. Step 3: Cross multiply
   222,665.49x = 306,989.29 × 141,952.91
4. Step 4: Simplify right side
   222,665.49x = 43,578,021,696.83
5. Step 5: Solve for x
   x = 43,578,021,696.83/222,665.49
6. Step 6: Final answer
   x = 195,710.71