Finding the Fourth Proportional to 2,106,287.35, 2,906,667.79 and 1,139,415.26

Step by Step Solution

1. Step 1: Write the proportion equation
   2,106,287.35 : 2,906,667.79 = 1,139,415.26 : x
2. Step 2: Convert to fraction form
   2,106,287.35/2,906,667.79 = 1,139,415.26/x
3. Step 3: Cross multiply
   2,106,287.35x = 2,906,667.79 × 1,139,415.26
4. Step 4: Simplify right side
   2,106,287.35x = 3,311,901,618,294.60
5. Step 5: Solve for x
   x = 3,311,901,618,294.60/2,106,287.35
6. Step 6: Final answer
   x = 1,572,388.32