Finding the Fourth Proportional to 985,854.55, 1,479,043.82 and 311,947.83

Step by Step Solution

1. Step 1: Write the proportion equation
   985,854.55 : 1,479,043.82 = 311,947.83 : x
2. Step 2: Convert to fraction form
   985,854.55/1,479,043.82 = 311,947.83/x
3. Step 3: Cross multiply
   985,854.55x = 1,479,043.82 × 311,947.83
4. Step 4: Simplify right side
   985,854.55x = 461,384,510,123.91
5. Step 5: Solve for x
   x = 461,384,510,123.91/985,854.55
6. Step 6: Final answer
   x = 468,004.65