Finding the Fourth Proportional to 2,257,535.27, 3,386,820.06 and 978,357.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,257,535.27 : 3,386,820.06 = 978,357.50 : x
2. Step 2: Convert to fraction form
   2,257,535.27/3,386,820.06 = 978,357.50/x
3. Step 3: Cross multiply
   2,257,535.27x = 3,386,820.06 × 978,357.50
4. Step 4: Simplify right side
   2,257,535.27x = 3,313,520,806,851.45
5. Step 5: Solve for x
   x = 3,313,520,806,851.45/2,257,535.27
6. Step 6: Final answer
   x = 1,467,760.37