Finding the Fourth Proportional to 2,152,878.06, 3,229,772.70 and 636,441.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,152,878.06 : 3,229,772.70 = 636,441.42 : x
2. Step 2: Convert to fraction form
   2,152,878.06/3,229,772.70 = 636,441.42/x
3. Step 3: Cross multiply
   2,152,878.06x = 3,229,772.70 × 636,441.42
4. Step 4: Simplify right side
   2,152,878.06x = 2,055,561,123,465.23
5. Step 5: Solve for x
   x = 2,055,561,123,465.23/2,152,878.06
6. Step 6: Final answer
   x = 954,796.82