Finding the Fourth Proportional to 1,689,300.18, 2,331,271.89 and 964,133.36

Step by Step Solution

1. Step 1: Write the proportion equation
   1,689,300.18 : 2,331,271.89 = 964,133.36 : x
2. Step 2: Convert to fraction form
   1,689,300.18/2,331,271.89 = 964,133.36/x
3. Step 3: Cross multiply
   1,689,300.18x = 2,331,271.89 × 964,133.36
4. Step 4: Simplify right side
   1,689,300.18x = 2,247,656,988,722.89
5. Step 5: Solve for x
   x = 2,247,656,988,722.89/1,689,300.18
6. Step 6: Final answer
   x = 1,330,525.51