Finding the Fourth Proportional to 3,839,443.92, 5,758,574.04 and 1,280,703.60

Step by Step Solution

1. Step 1: Write the proportion equation
   3,839,443.92 : 5,758,574.04 = 1,280,703.60 : x
2. Step 2: Convert to fraction form
   3,839,443.92/5,758,574.04 = 1,280,703.60/x
3. Step 3: Cross multiply
   3,839,443.92x = 5,758,574.04 × 1,280,703.60
4. Step 4: Simplify right side
   3,839,443.92x = 7,375,026,503,894.55
5. Step 5: Solve for x
   x = 7,375,026,503,894.55/3,839,443.92
6. Step 6: Final answer
   x = 1,920,857.98