Finding the Fourth Proportional to 404,463,418.84, 558,545,005.86 and 382,428,562.72

Step by Step Solution

1. Step 1: Write the proportion equation
   404,463,418.84 : 558,545,005.86 = 382,428,562.72 : x
2. Step 2: Convert to fraction form
   404,463,418.84/558,545,005.86 = 382,428,562.72/x
3. Step 3: Cross multiply
   404,463,418.84x = 558,545,005.86 × 382,428,562.72
4. Step 4: Simplify right side
   404,463,418.84x = 213,603,563,805,473,792
5. Step 5: Solve for x
   x = 213,603,563,805,473,792/404,463,418.84
6. Step 6: Final answer
   x = 528,115,903.33