Finding the Fourth Proportional to 1,423,514.86, 1,964,391.96 and 850,870.78

Step by Step Solution

1. Step 1: Write the proportion equation
   1,423,514.86 : 1,964,391.96 = 850,870.78 : x
2. Step 2: Convert to fraction form
   1,423,514.86/1,964,391.96 = 850,870.78/x
3. Step 3: Cross multiply
   1,423,514.86x = 1,964,391.96 × 850,870.78
4. Step 4: Simplify right side
   1,423,514.86x = 1,671,443,719,230.93
5. Step 5: Solve for x
   x = 1,671,443,719,230.93/1,423,514.86
6. Step 6: Final answer
   x = 1,174,166.68