Finding the Fourth Proportional to 2,456,889.17, 3,390,460.98 and 1,369,136.78

Step by Step Solution

1. Step 1: Write the proportion equation
   2,456,889.17 : 3,390,460.98 = 1,369,136.78 : x
2. Step 2: Convert to fraction form
   2,456,889.17/3,390,460.98 = 1,369,136.78/x
3. Step 3: Cross multiply
   2,456,889.17x = 3,390,460.98 × 1,369,136.78
4. Step 4: Simplify right side
   2,456,889.17x = 4,642,004,828,872.85
5. Step 5: Solve for x
   x = 4,642,004,828,872.85/2,456,889.17
6. Step 6: Final answer
   x = 1,889,383.08