Finding the Fourth Proportional to 2,456,889.60, 3,390,510.90 and 1,369,137.32

Step by Step Solution

1. Step 1: Write the proportion equation
   2,456,889.60 : 3,390,510.90 = 1,369,137.32 : x
2. Step 2: Convert to fraction form
   2,456,889.60/3,390,510.90 = 1,369,137.32/x
3. Step 3: Cross multiply
   2,456,889.60x = 3,390,510.90 × 1,369,137.32
4. Step 4: Simplify right side
   2,456,889.60x = 4,642,074,990,104.23
5. Step 5: Solve for x
   x = 4,642,074,990,104.23/2,456,889.60
6. Step 6: Final answer
   x = 1,889,411.31