Finding the Fourth Proportional to 2,257,510.18, 3,386,782.53 and 978,332.39

Step by Step Solution

1. Step 1: Write the proportion equation
   2,257,510.18 : 3,386,782.53 = 978,332.39 : x
2. Step 2: Convert to fraction form
   2,257,510.18/3,386,782.53 = 978,332.39/x
3. Step 3: Cross multiply
   2,257,510.18x = 3,386,782.53 × 978,332.39
4. Step 4: Simplify right side
   2,257,510.18x = 3,313,399,061,802.32
5. Step 5: Solve for x
   x = 3,313,399,061,802.32/2,257,510.18
6. Step 6: Final answer
   x = 1,467,722.76