Finding the Fourth Proportional to 2,108,345.52, 3,162,826.44 and 612,243.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,108,345.52 : 3,162,826.44 = 612,243.12 : x
2. Step 2: Convert to fraction form
   2,108,345.52/3,162,826.44 = 612,243.12/x
3. Step 3: Cross multiply
   2,108,345.52x = 3,162,826.44 × 612,243.12
4. Step 4: Simplify right side
   2,108,345.52x = 1,936,418,727,644.09
5. Step 5: Solve for x
   x = 1,936,418,727,644.09/2,108,345.52
6. Step 6: Final answer
   x = 918,454.17