Finding the Fourth Proportional to 630,373, 869,914.74 and 404,018.50

Step by Step Solution

1. Step 1: Write the proportion equation
   630,373 : 869,914.74 = 404,018.50 : x
2. Step 2: Convert to fraction form
   630,373/869,914.74 = 404,018.50/x
3. Step 3: Cross multiply
   630,373x = 869,914.74 × 404,018.50
4. Step 4: Simplify right side
   630,373x = 351,461,648,382.69
5. Step 5: Solve for x
   x = 351,461,648,382.69/630,373
6. Step 6: Final answer
   x = 557,545.53