Finding the Fourth Proportional to 435,716.82, 601,287.71 and 242,123.72

Step by Step Solution

1. Step 1: Write the proportion equation
   435,716.82 : 601,287.71 = 242,123.72 : x
2. Step 2: Convert to fraction form
   435,716.82/601,287.71 = 242,123.72/x
3. Step 3: Cross multiply
   435,716.82x = 601,287.71 × 242,123.72
4. Step 4: Simplify right side
   435,716.82x = 145,586,012,918.42
5. Step 5: Solve for x
   x = 145,586,012,918.42/435,716.82
6. Step 6: Final answer
   x = 334,129.89