Finding the Fourth Proportional to 2,152,335.24, 3,228,669.72 and 872,333.55

Step by Step Solution

1. Step 1: Write the proportion equation
   2,152,335.24 : 3,228,669.72 = 872,333.55 : x
2. Step 2: Convert to fraction form
   2,152,335.24/3,228,669.72 = 872,333.55/x
3. Step 3: Cross multiply
   2,152,335.24x = 3,228,669.72 × 872,333.55
4. Step 4: Simplify right side
   2,152,335.24x = 2,816,476,918,625.11
5. Step 5: Solve for x
   x = 2,816,476,918,625.11/2,152,335.24
6. Step 6: Final answer
   x = 1,308,567.95