Finding the Fourth Proportional to 2,659,174.42, 3,990,007.32 and 1,310,601.88

Step by Step Solution

1. Step 1: Write the proportion equation
   2,659,174.42 : 3,990,007.32 = 1,310,601.88 : x
2. Step 2: Convert to fraction form
   2,659,174.42/3,990,007.32 = 1,310,601.88/x
3. Step 3: Cross multiply
   2,659,174.42x = 3,990,007.32 × 1,310,601.88
4. Step 4: Simplify right side
   2,659,174.42x = 5,229,311,094,805.76
5. Step 5: Solve for x
   x = 5,229,311,094,805.76/2,659,174.42
6. Step 6: Final answer
   x = 1,966,516.77