Finding the Fourth Proportional to 2,225,401.59, 3,338,370.15 and 785,788.80

Step by Step Solution

1. Step 1: Write the proportion equation
   2,225,401.59 : 3,338,370.15 = 785,788.80 : x
2. Step 2: Convert to fraction form
   2,225,401.59/3,338,370.15 = 785,788.80/x
3. Step 3: Cross multiply
   2,225,401.59x = 3,338,370.15 × 785,788.80
4. Step 4: Simplify right side
   2,225,401.59x = 2,623,253,858,658.72
5. Step 5: Solve for x
   x = 2,623,253,858,658.72/2,225,401.59
6. Step 6: Final answer
   x = 1,178,777.74