Finding the Fourth Proportional to 554,814.34, 766,427.61 and 441,492.10

Step by Step Solution

1. Step 1: Write the proportion equation
   554,814.34 : 766,427.61 = 441,492.10 : x
2. Step 2: Convert to fraction form
   554,814.34/766,427.61 = 441,492.10/x
3. Step 3: Cross multiply
   554,814.34x = 766,427.61 × 441,492.10
4. Step 4: Simplify right side
   554,814.34x = 338,371,735,036.88
5. Step 5: Solve for x
   x = 338,371,735,036.88/554,814.34
6. Step 6: Final answer
   x = 609,882.82