Finding the Fourth Proportional to 2,105,687.00, 2,905,848.06 and 1,138,817.30

Step by Step Solution

1. Step 1: Write the proportion equation
   2,105,687.00 : 2,905,848.06 = 1,138,817.30 : x
2. Step 2: Convert to fraction form
   2,105,687.00/2,905,848.06 = 1,138,817.30/x
3. Step 3: Cross multiply
   2,105,687.00x = 2,905,848.06 × 1,138,817.30
4. Step 4: Simplify right side
   2,105,687.00x = 3,309,230,029,505.48
5. Step 5: Solve for x
   x = 3,309,230,029,505.48/2,105,687.00
6. Step 6: Final answer
   x = 1,571,567.87