Finding the Fourth Proportional to 401,561.02, 554,061.28 and 240,354.82

Step by Step Solution

1. Step 1: Write the proportion equation
   401,561.02 : 554,061.28 = 240,354.82 : x
2. Step 2: Convert to fraction form
   401,561.02/554,061.28 = 240,354.82/x
3. Step 3: Cross multiply
   401,561.02x = 554,061.28 × 240,354.82
4. Step 4: Simplify right side
   401,561.02x = 133,171,299,223.37
5. Step 5: Solve for x
   x = 133,171,299,223.37/401,561.02
6. Step 6: Final answer
   x = 331,634.03