Finding the Fourth Proportional to 333,486.37, 459,900.28 and 308,716.52

Step by Step Solution

1. Step 1: Write the proportion equation
   333,486.37 : 459,900.28 = 308,716.52 : x
2. Step 2: Convert to fraction form
   333,486.37/459,900.28 = 308,716.52/x
3. Step 3: Cross multiply
   333,486.37x = 459,900.28 × 308,716.52
4. Step 4: Simplify right side
   333,486.37x = 141,978,812,075.02
5. Step 5: Solve for x
   x = 141,978,812,075.02/333,486.37
6. Step 6: Final answer
   x = 425,740.98