Finding the Fourth Proportional to 2,947,438.26, 4,419,944.60 and 1,126,475.78

Step by Step Solution

1. Step 1: Write the proportion equation
   2,947,438.26 : 4,419,944.60 = 1,126,475.78 : x
2. Step 2: Convert to fraction form
   2,947,438.26/4,419,944.60 = 1,126,475.78/x
3. Step 3: Cross multiply
   2,947,438.26x = 4,419,944.60 × 1,126,475.78
4. Step 4: Simplify right side
   2,947,438.26x = 4,978,960,513,109.69
5. Step 5: Solve for x
   x = 4,978,960,513,109.69/2,947,438.26
6. Step 6: Final answer
   x = 1,689,250.15