Finding the Fourth Proportional to 222,440, 333,674.56 and 89,302.72

Step by Step Solution

1. Step 1: Write the proportion equation
   222,440 : 333,674.56 = 89,302.72 : x
2. Step 2: Convert to fraction form
   222,440/333,674.56 = 89,302.72/x
3. Step 3: Cross multiply
   222,440x = 333,674.56 × 89,302.72
4. Step 4: Simplify right side
   222,440x = 29,798,045,802.80
5. Step 5: Solve for x
   x = 29,798,045,802.80/222,440
6. Step 6: Final answer
   x = 133,959.93