Finding the Fourth Proportional to 2,386,399.95, 3,578,172.18 and 1,618,840.91

Step by Step Solution

1. Step 1: Write the proportion equation
   2,386,399.95 : 3,578,172.18 = 1,618,840.91 : x
2. Step 2: Convert to fraction form
   2,386,399.95/3,578,172.18 = 1,618,840.91/x
3. Step 3: Cross multiply
   2,386,399.95x = 3,578,172.18 × 1,618,840.91
4. Step 4: Simplify right side
   2,386,399.95x = 5,792,491,490,117.02
5. Step 5: Solve for x
   x = 5,792,491,490,117.02/2,386,399.95
6. Step 6: Final answer
   x = 2,427,292.83