Finding the Fourth Proportional to 825,477.33, 1,139,140.94 and 462,893.22

Step by Step Solution

1. Step 1: Write the proportion equation
   825,477.33 : 1,139,140.94 = 462,893.22 : x
2. Step 2: Convert to fraction form
   825,477.33/1,139,140.94 = 462,893.22/x
3. Step 3: Cross multiply
   825,477.33x = 1,139,140.94 × 462,893.22
4. Step 4: Simplify right side
   825,477.33x = 527,300,615,435.96
5. Step 5: Solve for x
   x = 527,300,615,435.96/825,477.33
6. Step 6: Final answer
   x = 638,782.68