Finding the Fourth Proportional to 2,105,659.49, 2,905,812.03 and 1,138,789.77

Step by Step Solution

1. Step 1: Write the proportion equation
   2,105,659.49 : 2,905,812.03 = 1,138,789.77 : x
2. Step 2: Convert to fraction form
   2,105,659.49/2,905,812.03 = 1,138,789.77/x
3. Step 3: Cross multiply
   2,105,659.49x = 2,905,812.03 × 1,138,789.77
4. Step 4: Simplify right side
   2,105,659.49x = 3,309,109,013,306.93
5. Step 5: Solve for x
   x = 3,309,109,013,306.93/2,105,659.49
6. Step 6: Final answer
   x = 1,571,530.93