Finding the Fourth Proportional to 825,619.71, 1,139,417.61 and 458,166.41

Step by Step Solution

1. Step 1: Write the proportion equation
   825,619.71 : 1,139,417.61 = 458,166.41 : x
2. Step 2: Convert to fraction form
   825,619.71/1,139,417.61 = 458,166.41/x
3. Step 3: Cross multiply
   825,619.71x = 1,139,417.61 × 458,166.41
4. Step 4: Simplify right side
   825,619.71x = 522,042,870,167.39
5. Step 5: Solve for x
   x = 522,042,870,167.39/825,619.71
6. Step 6: Final answer
   x = 632,304.27