Finding the Fourth Proportional to 2,108,265, 3,162,485.01 and 612,357

Step by Step Solution

1. Step 1: Write the proportion equation
   2,108,265 : 3,162,485.01 = 612,357 : x
2. Step 2: Convert to fraction form
   2,108,265/3,162,485.01 = 612,357/x
3. Step 3: Cross multiply
   2,108,265x = 3,162,485.01 × 612,357
4. Step 4: Simplify right side
   2,108,265x = 1,936,569,833,268.57
5. Step 5: Solve for x
   x = 1,936,569,833,268.57/2,108,265
6. Step 6: Final answer
   x = 918,560.92