Finding the Fourth Proportional to 2,112,013.56, 2,914,576.02 and 1,145,142.30

Step by Step Solution

1. Step 1: Write the proportion equation
   2,112,013.56 : 2,914,576.02 = 1,145,142.30 : x
2. Step 2: Convert to fraction form
   2,112,013.56/2,914,576.02 = 1,145,142.30/x
3. Step 3: Cross multiply
   2,112,013.56x = 2,914,576.02 × 1,145,142.30
4. Step 4: Simplify right side
   2,112,013.56x = 3,337,604,287,067.65
5. Step 5: Solve for x
   x = 3,337,604,287,067.65/2,112,013.56
6. Step 6: Final answer
   x = 1,580,294.91