Finding the Fourth Proportional to 404,462,911.48, 558,544,303.52 and 382,428,054.52

Step by Step Solution

1. Step 1: Write the proportion equation
   404,462,911.48 : 558,544,303.52 = 382,428,054.52 : x
2. Step 2: Convert to fraction form
   404,462,911.48/558,544,303.52 = 382,428,054.52/x
3. Step 3: Cross multiply
   404,462,911.48x = 558,544,303.52 × 382,428,054.52
4. Step 4: Simplify right side
   404,462,911.48x = 213,603,011,356,545,344
5. Step 5: Solve for x
   x = 213,603,011,356,545,344/404,462,911.48
6. Step 6: Final answer
   x = 528,115,199.93