Finding the Fourth Proportional to 2,799,401.61, 4,199,835.72 and 880,235.30

Step by Step Solution

1. Step 1: Write the proportion equation
   2,799,401.61 : 4,199,835.72 = 880,235.30 : x
2. Step 2: Convert to fraction form
   2,799,401.61/4,199,835.72 = 880,235.30/x
3. Step 3: Cross multiply
   2,799,401.61x = 4,199,835.72 × 880,235.30
4. Step 4: Simplify right side
   2,799,401.61x = 3,696,843,668,745.39
5. Step 5: Solve for x
   x = 3,696,843,668,745.39/2,799,401.61
6. Step 6: Final answer
   x = 1,320,583.53