Finding the Fourth Proportional to 900,185.82, 1,349,863.16 and 331,424.06

Step by Step Solution

1. Step 1: Write the proportion equation
   900,185.82 : 1,349,863.16 = 331,424.06 : x
2. Step 2: Convert to fraction form
   900,185.82/1,349,863.16 = 331,424.06/x
3. Step 3: Cross multiply
   900,185.82x = 1,349,863.16 × 331,424.06
4. Step 4: Simplify right side
   900,185.82x = 447,377,128,931.63
5. Step 5: Solve for x
   x = 447,377,128,931.63/900,185.82
6. Step 6: Final answer
   x = 496,983.09