Finding the Fourth Proportional to 842,478.18, 1,162,618.49 and 479,901.83

Step by Step Solution

1. Step 1: Write the proportion equation
   842,478.18 : 1,162,618.49 = 479,901.83 : x
2. Step 2: Convert to fraction form
   842,478.18/1,162,618.49 = 479,901.83/x
3. Step 3: Cross multiply
   842,478.18x = 1,162,618.49 × 479,901.83
4. Step 4: Simplify right side
   842,478.18x = 557,942,736,329.50
5. Step 5: Solve for x
   x = 557,942,736,329.50/842,478.18
6. Step 6: Final answer
   x = 662,263.73