Finding the Fourth Proportional to 825,675.60, 1,139,436.37 and 463,118.84

Step by Step Solution

1. Step 1: Write the proportion equation
   825,675.60 : 1,139,436.37 = 463,118.84 : x
2. Step 2: Convert to fraction form
   825,675.60/1,139,436.37 = 463,118.84/x
3. Step 3: Cross multiply
   825,675.60x = 1,139,436.37 × 463,118.84
4. Step 4: Simplify right side
   825,675.60x = 527,694,445,921.82
5. Step 5: Solve for x
   x = 527,694,445,921.82/825,675.60
6. Step 6: Final answer
   x = 639,106.26