Finding the Fourth Proportional to 2,145,054.18, 2,960,690.30 and 1,227,815.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,145,054.18 : 2,960,690.30 = 1,227,815.10 : x
2. Step 2: Convert to fraction form
   2,145,054.18/2,960,690.30 = 1,227,815.10/x
3. Step 3: Cross multiply
   2,145,054.18x = 2,960,690.30 × 1,227,815.10
4. Step 4: Simplify right side
   2,145,054.18x = 3,635,180,256,763.53
5. Step 5: Solve for x
   x = 3,635,180,256,763.53/2,145,054.18
6. Step 6: Final answer
   x = 1,694,679.92