Finding the Fourth Proportional to 2,105,704.99, 2,905,872.89 and 1,138,835.28

Step by Step Solution

1. Step 1: Write the proportion equation
   2,105,704.99 : 2,905,872.89 = 1,138,835.28 : x
2. Step 2: Convert to fraction form
   2,105,704.99/2,905,872.89 = 1,138,835.28/x
3. Step 3: Cross multiply
   2,105,704.99x = 2,905,872.89 × 1,138,835.28
4. Step 4: Simplify right side
   2,105,704.99x = 3,309,310,572,851.06
5. Step 5: Solve for x
   x = 3,309,310,572,851.06/2,105,704.99
6. Step 6: Final answer
   x = 1,571,592.69