Finding the Fourth Proportional to 2,418,400.71, 3,628,014.17 and 997,680.15

Step by Step Solution

1. Step 1: Write the proportion equation
   2,418,400.71 : 3,628,014.17 = 997,680.15 : x
2. Step 2: Convert to fraction form
   2,418,400.71/3,628,014.17 = 997,680.15/x
3. Step 3: Cross multiply
   2,418,400.71x = 3,628,014.17 × 997,680.15
4. Step 4: Simplify right side
   2,418,400.71x = 3,619,597,716,339.33
5. Step 5: Solve for x
   x = 3,619,597,716,339.33/2,418,400.71
6. Step 6: Final answer
   x = 1,496,690.64