Finding the Fourth Proportional to 510,080.15, 764,245.43 and 243,266.15

Step by Step Solution

1. Step 1: Write the proportion equation
   510,080.15 : 764,245.43 = 243,266.15 : x
2. Step 2: Convert to fraction form
   510,080.15/764,245.43 = 243,266.15/x
3. Step 3: Cross multiply
   510,080.15x = 764,245.43 × 243,266.15
4. Step 4: Simplify right side
   510,080.15x = 185,915,042,194.86
5. Step 5: Solve for x
   x = 185,915,042,194.86/510,080.15
6. Step 6: Final answer
   x = 364,482.02