Finding the Fourth Proportional to 2,106,522.45, 2,907,022.01 and 1,139,673.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,106,522.45 : 2,907,022.01 = 1,139,673.50 : x
2. Step 2: Convert to fraction form
   2,106,522.45/2,907,022.01 = 1,139,673.50/x
3. Step 3: Cross multiply
   2,106,522.45x = 2,907,022.01 × 1,139,673.50
4. Step 4: Simplify right side
   2,106,522.45x = 3,313,055,928,480.26
5. Step 5: Solve for x
   x = 3,313,055,928,480.26/2,106,522.45
6. Step 6: Final answer
   x = 1,572,760.80