Finding the Fourth Proportional to 611,061.58, 843,366.33 and 356,412.76

Step by Step Solution

1. Step 1: Write the proportion equation
   611,061.58 : 843,366.33 = 356,412.76 : x
2. Step 2: Convert to fraction form
   611,061.58/843,366.33 = 356,412.76/x
3. Step 3: Cross multiply
   611,061.58x = 843,366.33 × 356,412.76
4. Step 4: Simplify right side
   611,061.58x = 300,586,521,366.37
5. Step 5: Solve for x
   x = 300,586,521,366.37/611,061.58
6. Step 6: Final answer
   x = 491,908.72