Finding the Fourth Proportional to 307,962.15, 459,096.53 and 303,109.05

Step by Step Solution

1. Step 1: Write the proportion equation
   307,962.15 : 459,096.53 = 303,109.05 : x
2. Step 2: Convert to fraction form
   307,962.15/459,096.53 = 303,109.05/x
3. Step 3: Cross multiply
   307,962.15x = 459,096.53 × 303,109.05
4. Step 4: Simplify right side
   307,962.15x = 139,156,311,551.05
5. Step 5: Solve for x
   x = 139,156,311,551.05/307,962.15
6. Step 6: Final answer
   x = 451,861.74