Finding the Fourth Proportional to 418,300.84, 577,254.72 and 227,313.84

Step by Step Solution

1. Step 1: Write the proportion equation
   418,300.84 : 577,254.72 = 227,313.84 : x
2. Step 2: Convert to fraction form
   418,300.84/577,254.72 = 227,313.84/x
3. Step 3: Cross multiply
   418,300.84x = 577,254.72 × 227,313.84
4. Step 4: Simplify right side
   418,300.84x = 131,217,987,061.33
5. Step 5: Solve for x
   x = 131,217,987,061.33/418,300.84
6. Step 6: Final answer
   x = 313,692.86