Finding the Fourth Proportional to 2,162,391.21, 3,240,437.54 and 1,039,148.01

Step by Step Solution

1. Step 1: Write the proportion equation
   2,162,391.21 : 3,240,437.54 = 1,039,148.01 : x
2. Step 2: Convert to fraction form
   2,162,391.21/3,240,437.54 = 1,039,148.01/x
3. Step 3: Cross multiply
   2,162,391.21x = 3,240,437.54 × 1,039,148.01
4. Step 4: Simplify right side
   2,162,391.21x = 3,367,294,216,024.56
5. Step 5: Solve for x
   x = 3,367,294,216,024.56/2,162,391.21
6. Step 6: Final answer
   x = 1,557,208.61