Finding the Fourth Proportional to 554,981.98, 765,877.06 and 300,333.10

Step by Step Solution

1. Step 1: Write the proportion equation
   554,981.98 : 765,877.06 = 300,333.10 : x
2. Step 2: Convert to fraction form
   554,981.98/765,877.06 = 300,333.10/x
3. Step 3: Cross multiply
   554,981.98x = 765,877.06 × 300,333.10
4. Step 4: Simplify right side
   554,981.98x = 230,018,231,648.69
5. Step 5: Solve for x
   x = 230,018,231,648.69/554,981.98
6. Step 6: Final answer
   x = 414,460.72