Finding the Fourth Proportional to 2,106,298.62, 2,906,683.29 and 1,139,426.51

Step by Step Solution

1. Step 1: Write the proportion equation
   2,106,298.62 : 2,906,683.29 = 1,139,426.51 : x
2. Step 2: Convert to fraction form
   2,106,298.62/2,906,683.29 = 1,139,426.51/x
3. Step 3: Cross multiply
   2,106,298.62x = 2,906,683.29 × 1,139,426.51
4. Step 4: Simplify right side
   2,106,298.62x = 3,311,951,982,266.60
5. Step 5: Solve for x
   x = 3,311,951,982,266.60/2,106,298.62
6. Step 6: Final answer
   x = 1,572,403.81