Finding the Fourth Proportional to 3,380,812.69, 5,070,147.38 and 1,105,811.05

Step by Step Solution

1. Step 1: Write the proportion equation
   3,380,812.69 : 5,070,147.38 = 1,105,811.05 : x
2. Step 2: Convert to fraction form
   3,380,812.69/5,070,147.38 = 1,105,811.05/x
3. Step 3: Cross multiply
   3,380,812.69x = 5,070,147.38 × 1,105,811.05
4. Step 4: Simplify right side
   3,380,812.69x = 5,606,624,992,403.49
5. Step 5: Solve for x
   x = 5,606,624,992,403.49/3,380,812.69
6. Step 6: Final answer
   x = 1,658,366.05