Finding the Fourth Proportional to 3,196,485.78, 4,794,770.21 and 1,066,569.89

Step by Step Solution

1. Step 1: Write the proportion equation
   3,196,485.78 : 4,794,770.21 = 1,066,569.89 : x
2. Step 2: Convert to fraction form
   3,196,485.78/4,794,770.21 = 1,066,569.89/x
3. Step 3: Cross multiply
   3,196,485.78x = 4,794,770.21 × 1,066,569.89
4. Step 4: Simplify right side
   3,196,485.78x = 5,113,957,553,590.52
5. Step 5: Solve for x
   x = 5,113,957,553,590.52/3,196,485.78
6. Step 6: Final answer
   x = 1,599,868.70