Finding the Fourth Proportional to 2,105,699.18, 2,905,864.84 and 1,138,829.46

Step by Step Solution

1. Step 1: Write the proportion equation
   2,105,699.18 : 2,905,864.84 = 1,138,829.46 : x
2. Step 2: Convert to fraction form
   2,105,699.18/2,905,864.84 = 1,138,829.46/x
3. Step 3: Cross multiply
   2,105,699.18x = 2,905,864.84 × 1,138,829.46
4. Step 4: Simplify right side
   2,105,699.18x = 3,309,284,477,096.73
5. Step 5: Solve for x
   x = 3,309,284,477,096.73/2,105,699.18
6. Step 6: Final answer
   x = 1,571,584.64