Finding the Fourth Proportional to 611,066.91, 843,281.58 and 339,152.42

Step by Step Solution

1. Step 1: Write the proportion equation
   611,066.91 : 843,281.58 = 339,152.42 : x
2. Step 2: Convert to fraction form
   611,066.91/843,281.58 = 339,152.42/x
3. Step 3: Cross multiply
   611,066.91x = 843,281.58 × 339,152.42
4. Step 4: Simplify right side
   611,066.91x = 286,000,988,598.42
5. Step 5: Solve for x
   x = 286,000,988,598.42/611,066.91
6. Step 6: Final answer
   x = 468,035.47