Finding the Fourth Proportional to 2,106,388.43, 2,906,809.54 and 1,139,518.46

Step by Step Solution

1. Step 1: Write the proportion equation
   2,106,388.43 : 2,906,809.54 = 1,139,518.46 : x
2. Step 2: Convert to fraction form
   2,106,388.43/2,906,809.54 = 1,139,518.46/x
3. Step 3: Cross multiply
   2,106,388.43x = 2,906,809.54 × 1,139,518.46
4. Step 4: Simplify right side
   2,106,388.43x = 3,312,363,134,952.34
5. Step 5: Solve for x
   x = 3,312,363,134,952.34/2,106,388.43
6. Step 6: Final answer
   x = 1,572,531.97