Finding the Fourth Proportional to 3,985,514.69, 5,978,364.37 and 1,426,904.51

Step by Step Solution

1. Step 1: Write the proportion equation
   3,985,514.69 : 5,978,364.37 = 1,426,904.51 : x
2. Step 2: Convert to fraction form
   3,985,514.69/5,978,364.37 = 1,426,904.51/x
3. Step 3: Cross multiply
   3,985,514.69x = 5,978,364.37 × 1,426,904.51
4. Step 4: Simplify right side
   3,985,514.69x = 8,530,555,048,517.23
5. Step 5: Solve for x
   x = 8,530,555,048,517.23/3,985,514.69
6. Step 6: Final answer
   x = 2,140,389.82