Finding the Fourth Proportional to 222,264.24, 333,292.68 and 128,796.72

Step by Step Solution

1. Step 1: Write the proportion equation
   222,264.24 : 333,292.68 = 128,796.72 : x
2. Step 2: Convert to fraction form
   222,264.24/333,292.68 = 128,796.72/x
3. Step 3: Cross multiply
   222,264.24x = 333,292.68 × 128,796.72
4. Step 4: Simplify right side
   222,264.24x = 42,927,003,984.01
5. Step 5: Solve for x
   x = 42,927,003,984.01/222,264.24
6. Step 6: Final answer
   x = 193,135.00